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化學不僅是一門科學，它是一種看待世界的方式。

保持渴望，保持年輕。

The most dangerous poison is the feeling of achievement. The antidote is to think every morning, 'What can be done better?'

A fool who knows he is a fool is for that very reason a wise man. The fool who thinks he is wise is the one to be called a fool.

"The only way out of the labyrinth of suffering is to forgive."

"Beauty is not the goal, but it often appears along the way."

The best way to cheer yourself up is to try to cheer somebody else up.