A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.

I'm not on the outside looking in. I'm not on the inside looking out. I'm in the dead fucking center.

夜晚并不总是带来答案，但它总是带来正确的问题。

My blindness is not a tragedy, but an opportunity to see the world in a different way.

The secret of happiness，you see，is not found in seeking more，but in developing the capacity to enjoy less.

数学的目标是理解我们观察到的现象背后的结构。