The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

To understand the quantum world, we must first unlearn our classical intuitions.

 True courage is facing one's own weaknesses and striving to change.

解读：靠炫耀、攀比获得的虚荣感，依赖外界认可，根基不稳，一旦外界夸赞消失，内心只剩空虚失落，劝诫远离虚荣，追求真实价值。

唯一比被人谈论更糟糕的事情是没有人谈论你。

我对成为名人没兴趣。我感兴趣的是成为艺术家。