人类理解的职责是明白有些事情是它无法理解的。
It is the duty of the human understanding to understand that there are things which it cannot understand.
Science is a force for good, but only if we use it wisely.
Sometimes in life, you don't always feel strong, but that doesn't mean you're not.
A mathematician's work is mostly a solitary pursuit, but it builds on the work of many others.
The only way to do great work is to love what you do.