Never risk more than you can afford to lose.
Success is not final, failure is not fatal: It is the courage to continue that counts.
我接受混乱，但不确定它是否接受我。
返祖现象是指个体中重现远祖特征的现象。
【大意】要想招引游鱼就得先通水，要想招引飞鸟就得先种树。
La plus grande preuve d'amour, c'est le sacrifice.
The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.
