1-4000 I decided to move the worker NE to the bonus grassland, going with your suggestion that we'll want more production early on. A roaded wheat might have a saved our warrior scout a movement turn, but since we'd want several warriors, it seemed better to develop the grassland first. I moved the warrior and spotted...
and spotted...
and spotted...
and spotted...
drumroll...
another drumroll...
A COW! Once I settled down from my elation I notice we have two MORE bonus grasslands. I set up a mini-plan for the worker of mining then roading the bonus grassland, then mining and then roading the cow, then mining and roading the northern bonus grassland, and then irrigating the wheat and then roading it. I ended up doing something slightly different.
I settle Paris in place, I switch city production to the bonus grassland and then things get even more interesting. After I've counted them I notice... 3 more bonus grasslands! With the 2 BG in sight already from the start, 2 from the worker, 3 from the founding of Paris, that's seven bonus grasslands. We have a mountain with a luxury and two hills. One idea screams at me... 20k OCC. Seriously, if I had programmed an ideal OCC 20k start I would have *only* changed the wheat to a cow (one shield), and put the city on a coastal edge (not likely on a pangea start). After mining, we would have 14 shields from the bonus grasslands, 2 from the cow, 1 from the wheat, 4 from the hills, and 2 from the mountain in Despotism for a total of 23 shields per turn. In The Republic, Paris would have 26 shields. And with the Industrious French? Simply unreal.
Alright, once I came back down to Earth, I realized I didn't want to play this as a 20k game... I just *allowed* that as a possibility if my teammates really wanted to play it that way. I still want to shoot for the stars or have all the other emperors vote for Joanie or that 160k victory condition. So, I did the only sane thing. I saved the start for some other day/game in the future. A 20k attempt on a huge emperor map might actually end up pretty scary tech-wise... and sure enough I've think I've played in such a way that we won't think about 20k again, at least not an ideal one.
I then went and checked the tech tree. I saw we could get pottery at the maximum rate in 25 turns initially (I knew this would drop when Paris grew)... but then I noticed something interesting about the French before I hadn't noticed before. The French have a rather unique start technologically. When you think about it, the Carthaginians also have it. Masonry+Alphabet implies that the French can research Mathematics right away. So, I click on Mathematics and notice we'll get it in 50 turns either way. I figured since we would engineer our way to paradise as builders, we may as well get that tech ASAP

No, seriously I didn't think of that idea until later.
I thought, and still think, that we can contact someone early enough and trade for pottery... and really a bunch of other first level techs with masonry and alphabet... and then we could use mathematics to trade for even more tech. We will have 15 other tribes after all. I wouldn't have gambited like this (if this qualifies as a gambit... I don't know the ancient tech tree that well) on Demigod... I would've picked writing... but on Emperor I thought it might just work. We might even get mathematics first, who knows?.
I initially thought we might want to research writing next... although thinking more about this now, I think we could also research currency and get ourselves near or into the middle ages rather fast with writing and/or currency... This probably won't net us Monarchy though... and we might still want Literature to try and "wonder block" the AIs from the Great Library to slow their tech rate down. I also just thought that if we got ivory, Mathematics might give us an early jump on the Statue of Zeus... but I haven't spotted ivory so far. We'll see how reseraching mathematics first turns out, I suppose.
So, I set the science slider back to 20%, used the bonus grassland, and started training a warrior.
2-3950
The worker digs a hole. He tells me it's called a "mine". I tell him to dig faster.
3-3900 zzz
4-3850 zzz
5-3800
dreaming of cows with gems
6-3750
The warrior completes his training (or is 'he' a 'she'?) and goes northeast. The worker finishes that hole he calls a "mine", and I tell him to pave a pathway. He says "Oh, you mean a road?" I tell him to get back to work. He obeys.
Playing more carefully than usual I see something here... We can get Paris to grow in 4 turns and produce the warrior at the same time. Then I realize that quite won't work. But, actually it will once I figure it out two turns later.
7-3700
The warrior spots a mountain and a river off of it.
8-3650
The worker completes what he calls a "road". I move him to the cow. He gazes at them for a moment... I say "you have more interesting things to do... so get to it". I switch Paris to the wheat. It'll use the wheat for two turns, and then since we have "emphasize production" as the default setting in most civ III games, even though the screen reads 3 turns for the warrior, we'll get it on the same turn as Paris grows to size 2.
9-3600
The worker mines... er... milks the cow. Our exploratory warrior moves onto the mountain sees some tundra and a LOT of forrest.
10-3550
The warrior completes as we grow, as predicted. I set sci back to 10%, lux up to 10%. Warrior two moves northwest (I think) and spots a gold mine mountain to the northwest. Paris uses the wheat and the mined grassland. Interturn Paris expands culturally, and we consequently see a river (I think we saw it in the start) to the West and a wheat! One 4-turn settler factory, another 6-turn settler factory at least.
11-3500
Paris uses the the cow and the mined grassland.
12-3450
2nd warrior spots incence in the hlls. I think we'll now get warrior # 3 using the cow and the wheat as fast as using the cow and the grassland, so we use the wheat for faster growth. Sure enough we get the warrior as I thought we would
13-3400
Now we'll use the wheat for 1 turn, and then use the bonus grassland for two turns and grow and get warrior 4 at the same time. The worker says to me "I shall build a pathway to these beautiful cows." I tell him to "quit looking at them... they just eat grass and get fat... and start constructing that "road" thing.
14-3350
Warriors keep scouting.
15-3300
The worker completes his task and hesitates (O.K... not really)... admiring the beauty of the cows. I tell him to move to the wheat and he'd better run fast. He says "Wheat... what's that?" I respond "move quickly and you'll find out... Otherwise, you'll get replaced." He hauls ass, jumping across the river in a single bound. A warrior spots a cow.
16-3250
Warrior 4 completes, I have him move onto the mountain luxury square. Paris at size 3 now, lux up to 20%. Paris starts warrior 5 (due in 2 turns... 5 shields already). I tell the worker to start irrigating the wheat. He goes "huh?" I tell him to drag the water from the river to the wheat. He obeys without hesitation this time. Note... in retrospect I could have roaded early and then irrigated as we have an industrious civilization... so I guess we could have stashed up 3 more gold... oh well... C'est la vie as the French say
17-3200
A warrior moves onto a hill.
18-3150
Warrior 5 completes. I tell him to go north. He asks me "but what's down south?" I tell him he'll freeze down there and probably starve too. He says "huh?" I tell him to move north or I'll replace him with my now obedient worker. He starts moving. I hesitate a bit deciding as to whether build a 6th warrior or a settler (we do have a maintainence cost of 2 gold for all the warriors, but we've still got a nice cash flow from the rivers, roads, and the high tax rate). I put Paris on a settler build or pre-build or pre-pre-build. We can either produce a settler now and settle that 6-turn wheat spot in the West soon (NW of the mountain and SE of the wheat seems like the optimal spot... no overlap with Paris, city along the river), or we can pre-build a granary with the settler, or we can use the settler as a pre-build to the Pyramids, which will act as a pre-build to the granary... thus the settler would become a pre-pre-build.
I prefer building a settler now... settling near that way, getting that city going and starting on our granaries. Maybe another worker even for the second city (do the French call it Lyons?) if we can time growth and the worker's completion to happen simultaeously. We could lose shields if we pre-built our granary with the Pyramids. And if you switch to a temple, I'll go atheist on you

.
19-3100
I tell the worker to give us a pathway to our watered wheat. He actually rejoices in this duty.
20-3050
A warrior spots freshwater and game. I think that's two cows, two wheats, and two game spotted so far. I change from the wheat to the undeveloped bonus grassland. Another warrior spots blue borders. I hope we have the Americans, or better the Maya so we can trade for pottery. Although, maybe we've got Mao and we'll have to cope with riders... I certainly don't want that. Whatever they call themselves, I say we trade for whatever techs they have ASAP, even if something relatively useless like warrior code (oh... we need that for Monarchy... still... pretty useless since we probably won't need many... if any archers). We can hopefully shop around that tech for other tech with someone else soon enough. Again, NW of the mountain and SE of the wheat in the West seems like the best spot for city number two. It's close AND has good food.
Also, believe it or not in my games which have played similar to this (including ones on Demigod), except I usually have a war to trigger a Golden Age, I've foregone training defensive units until the Middle Ages. The AI rates offensive units higher than defensive ones. In practical terms, since I've usually beelined for literature or come close to such a beeline after maybe researching pottery or ceremonial burial on emperor games, this means I've trained basically only warriors as military units for a while. No doubt, this has implied that I've gotten more infrastructure more quickly.
Believe it or not, I had a Pangea Emperor game on a standard map with the Maya where I had one or two warriors in every city with like one spearman in one city, until I upgraded them to guerrilas as I had no iron until I got close to replaceable parts. I didn't get attacked... lots of Rights of Passage. I say that as a comment and no more. I can see some advantages to having some spearpeople around... and after all we have a succession game going. I certainly don't want to play this one for you, and want you or anyone else who joins to play their own turns, so do what you think best. One thing I will add though... once we've settled into place, so to speak (the timing of this seems difficult to determine), we almost surely should put sometime of military unit in every city. In my experience... and from what I saw of a warmonger's game... leaving a city without any military after the expnsion phase seems like a big red flag to the AIs... "come here... take this city... you'll capture it EASILY."