Speaking of quotes - I know a lot of people dislike VI's quotes - then
here are the Humankind culture quotes.
Ancient:
Nubians: "Anything under the sun can be exchanged for enough gold."
Olmecs: "All that was, and is, and will be, is written in the stars."
Phoenicians: "Unlike the lands, the seas give the merchant no obstructions."
Zhou: "Judge not an empire by the strength of its armies."
Assyrians: "The tallest blade is the first to be cut by the scythe."
Hittites: "Our charioteers must train for many moons before entering the battle."
Babylonians: "Where the mind can see, the physical body can follow."
Egyptians: "The seed cannot sprout upwards without also sending down roots."
Harappans: "In one drop of water are found all the secrets of life."
Mycenaeans: "Illustrious warriors have the whole earth for their tomb."
Classical:
Mayans: "Great feats of architecture honor the majesty of the cosmos."
Persians: "Go as far as eye can see and when you get there you'll see further."
Romans: "Throw me to the wolves and I will return leading the pack."
Aksumites: "The one who controls the market controls the world."
Greeks: "Let us clash words in the amphitheatron and swords on the battlefield."
Carthaginians: "Over seas and lands, our trade routes will criss-cross the world."
Celts: "Let the ballads to gods and heroes echo deep in our forests."
Goths: "The fallen will not be forgotten as we fight for greatness."
Huns: "All will think the world splits asunder upon hearing our steeds."
Mauryans: "Only a fool dismisses other cultures without consideration."
Medieval:
Norsemen: "The enemy's coastlines are long, and we are many."
Aztec: "May we witness the sun rise in a thousand lands."
Byzantines: "Let markets enrich us, and antiquities enlighten us."
Franks: "To do what is right, we must know what is right."
Ghanaians: "Our markets hold all the wonders of the senses."
Teutons: "Let justice be done, though the world perish."
Khmer: "A mountain never has two tigers."
English: "The plow is mightier than the sword."
Mongols: "Wind through the hair, blood on the blade. That is enough."
Umayyads: "In the mosques we pray, in the libraries we record."
Early Modern:
Edo Japanese: "Patience means restraining one's inclinations."
Haudenosaunee: "Let the roots of peace spread to all points of the compass."
Industrial:
Germans: "Waging war requires courage, purpose, and an iron determination."
Italians: "Art is fine food, great craftsmanship, and unrestrained passion."
British: "We are not interested in the possibility of defeat."
French: "Judge of a person by their questions rather than their answers."
Austro-Hungarians: "The language of music has no borders."
Mexicans: "They tried to bury us. They didn't know we were seeds."
Siamese: "Anything can be built with enough imagination."