有时最艰难的战斗是我们内心的战斗。

一个奇怪的事实是，在大西洋两岸发现了极其相似的动植物，但没有人对这一现象给出令人满意的解释。

The primary function of law is to provide a framework for social order.

Your self-worth is determined by you. You don't have to depend on someone telling you who you are.

最好的数学家是那些不怕冒险的人。