Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.

心理学是精神生活的科学，而不仅仅是其元素的分类。

积极心理学不是一项观赏性运动。

译文：一个人值得被传颂称赞，在于他有高尚的品德，不在于他有多高的地位；一个人被众人信服，在于他做事很务实，并不在于他只会夸夸其谈。赏析：生活中，我们欣赏一个人，都是看重对方的人品和素质。而那些狡诈多端，油嘴滑舌之徒，只会让人生厌。

Every generation imagines itself to be more intelligent than the one that went before it, and wiser than the one that comes after it.

Everything is connected, everything.