每个圣人都有过去，每个罪人都有未来。

The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.

如果你要思考，那就想大的。

The human soul is a labyrinth, full of twists and turns, and we are all trying to find our way out.

最有力的艺术往往源于最简单的想法。

代数分析是所有科学中最广泛和最确定的；它是唯一具有不变和可靠方法的一门科学。