有时候，最难的事情和正确的事情是同一件事。

The state, therefore, has not existed from all eternity. There have been societies that did without it, that had no notion of the state or state power. At a certain stage of economic development, which was necessarily bound up with the split of society into classes, the state became a necessity.

有了图书馆，你是自由的，不受暂时的政治气候的限制。它是最民主的机构，因为没有人——绝对没有人——可以告诉你该读什么，什么时候读，怎么读。

I'm the reason your president can't lead.

我不是一个喜欢坐着等待事情发生的人。我让事情发生。

True innovation often comes from questioning what everyone else accepts as fact.

睡得早起得早，使人聪明、富有、身体好。