"The challenge of acting is to live truthfully under imaginary circumstances."
The most powerful way to change someone is to change the way you interact with them.
Tis not contrary to reason to prefer the destruction of the whole world to the scratching of my finger.
I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.
我们必须听从科学——忽视它只会导致不可逆转的损害。