怀疑是智慧的开始。
I never buy anything unless I can give a good reason why I think it will go up.
物理学家的直觉就像复杂荒野中的指南针。
我的音乐就是我的态度。
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.
——抵日本神户时谈话,1895年11月12日