在数学中，提出问题的艺术必须比解决问题更有价值。
真相是，我们在这个世界上都是孤独的。
The only true voyage of discovery would be not to visit strange lands but to possess other eyes.
Happiness comes from inner peace.
幸福是一种内在的工作。
宇宙是一个相当大的地方。如果只有我们，那似乎是对空间的极大浪费。
The most powerful thing about the internet is its ability to connect people.