Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

学习就像种树，春天赏花，秋天收获果实；讨论文章如同春天的花，修养身心、付诸实践才是秋天的果实。

It has done me good, because of the color of the wheat fields. Go and look again at the roses. You will understand now that yours is unique in all the world。

邪恶胜利的唯一必要条件就是好人无所作为。

The greatest tool we have is the power of our minds.

起初一无所有，然后发生了爆炸。