"I've heard that he who strikes first can defeat the enemy. He who strikes last will be beaten."
-Rebel general Xiang Liang, Qin Dynasty
"It is better to be broken jade than a rude, whole clay pot."
(Death before dishonor)
-Yuan Jinghao, Zhou Dynasty
Another proverb (regarding weaknessess):
"Shrimp may attack dragons in shallow water."
-Traditional Chinese proverb
"A real man dies on a battlefield, and his body is wrapped in horsehide. Who wants to die in bed, surrounded by his wife and children?"
-General Ma Yuan, Eastern Han Dynasty
"Heroes are made by the times."
-Traditional Chinese proverb
"True gold does not fear the test of fire."
-Traditional Chinese proverb
"If anyone wants courage, come here and buy some! I still have so much courage left over, I can sell the surplus on!"
-Gao Gu, Spring and Autumn Period