You have to be willing to fail to create something original.

Short-term gains should never compromise long-term environmental health.

译文：从古至今英雄人物总是要经历磨难才能成就大业，而娇生惯养之辈总是缺少气概难以成就伟业。赏析：生于忧患，死于安乐。一个人要想成功必定要经历很多痛苦和艰难，如果人太安逸和舒适了，就会丧失斗志。

I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.

非洲艺术家不是代表，而是个体的声音。