The more you know who you are, and what you want, the less you let things upset you.
The world is a place of the living, and the dead have no place in it. The dead are nothing. They are not even a memory. They are forgotten.
物理学的美丽在于它能够用简单的原理解释宇宙的复杂性。
Love is the only sane and satisfactory answer to the problem of human existence.