在学习结束时，我们知道物理学的所有过去，但对现在和未来一无所知。

The mind is not a blank slate but a dynamic system that constantly adapts and reorganizes itself.

The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.

不要问国家可以为你做什么，你应该要问自己可以为国家做什么。

哲学家的工作在于为特定目的汇集提醒。