如果你不去追求你想要的，你将永远得不到它。
If you don’t go after what you want, you’ll never have it.
I think that's one of the most important things in life: to feel good about yourself.
The universe is not outside of you. Look inside yourself; everything that you want, you already are.
数学的历史是人类好奇心和创造力的历史。
我们不是从祖先那里继承了海洋，而是从孩子们那里借来的。