To achieve genuine success, you must first identify the pitfalls that lead to failure and steer clear of them.

I want to liberate America from fear. I want people to be afraid of the things that are really scary, like war and famine, not their neighbor because he has a different religion.

The artist must be a child of the void.

酸和碱不是绝对的，而是相对的。

I must study politics and war that my sons may have liberty to study mathematics and philosophy.

如果反对派解除武装，一切都好。如果他们拒绝解除武装，我们将亲自解除他们的武装。

We are all born mad. Some remain so.