环境管理不是可选的——这是我们对后代的责任。
"You have to let go of who you were to become who you will be."
活着就是被标记。活着就是改变,获得故事的话语,这是我们凡人真正知道的唯一庆祝。
The photograph is the most perfect picture.
Success is a journey, not a destination.
I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.