The brain has specialized networks for maintaining alertness, orienting to sensory events, and resolving conflict among responses.
瑞士就是西方国土的“桃花源”啊。
Creativity requires the courage to let go of certainties.
我从未见过一个我不试图用机械方法解决的问题。
I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.