A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.

"A book is a treasure that never loses its value."

理论物理对于实验物理学家，就像和声理论对于作曲家一样。

译文：把读书看成功业，用一生的时间去做，自然就会得到读书带来的乐趣；心存善念，多做善事，不必去争那些乐善好施的虚名。赏析：读书和做善事一样，不必在乎那些功利的想法。读书应该用心，读书的乐趣不是用金钱的多少来衡量的。做好事，只要问心无愧，不必非得让别人知道。

反应倾向的强度取决于所接受的强化量。

爱是世界上最强大的力量。