宇宙不仅比我们想象的更奇怪，它比我们能够想象的还要奇怪。
The universe is not only stranger than we imagine, it is stranger than we can imagine.
The value of a mental process lies in its utility for the organism's adjustment to life.
The true test of a mathematical idea is its ability to inspire further thought.
Literature is the bridge between the individual and the universal.
The Golden Rule will never fail you. It is the foundation of all other virtues.