物理学的美丽在于它能够用简单的原理解释复杂的事物。

领导力在于做出今天艰难的决定，这些决定将为子孙后代带来益处。

应对不自由世界的唯一方法就是变得如此绝对自由，以至于你的存在本身就是一种反抗。

"Every portrait that is painted with feeling is a portrait of the artist, not of the sitter."

There is no perfect knowledge which can be entitled ours, that is innate; none but what has been obtained from experience.

每个想法都有其目的，即使我们无法立即察觉。