The old horse crouches, aiming at thousands of miles; The martyrs were full of courage in their later years. -Cao Cao

People often mix truth and error to teach people, but they insist on mistakes. -Goethe

Instilling truth into his mind is only to ensure that he will not fill his mind with fallacies. -Rousseau

People who made great achievements in ancient times not only had talent, but also had unremitting determination. -Su Shi

Life is a hero, and death is a ghost. I still miss Xiang Yu and refuse to cross Jiangdong. -Li Qingzhao

My Zhuang Xin didn't die at the same age. Even if I die, I can become a ghost wise man. -Lu you

Man's bounden duty is to be brave in exploring the truth. Copernicus