There is an awful lot you can tell about a person by their shoes. Where they're going. Where they've been.

Live truth instead of professing it.

The past is not lost; it is encoded within us.

成功不是终点，失败也并非致命，重要的是继续前进的勇气。

量子力学的挑战不在于它的复杂性，而在于它的简单性——它迫使我们重新思考关于宇宙的最基本假设。