The most important tool in science is not the microscope, but the mind.
I don't know. Sometimes when I feel about to cry, it often evolves into an impulse to almost laugh. That must have been how I really felt at the time, because I laughed, almost giggled.
我不相信鬼魂，但我总是看到它们。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
Life is just a series of trying to make up your mind.
Profitability and responsibility must go hand in hand.