道德的营养不良和精神的中毒对人的心灵的危害，正如身体的营养不良对于身体健康的危害一样。

"The challenge of quantum mechanics is not in its complexity, but in its simplicity—it forces us to rethink our most basic assumptions about the universe."

Truth is like the sun; you can shut it out for a time, but it's not going away.

每一个数学问题都是通向新理解世界的窗口。