心理学家必须避免一切形式的还原论。

过去总是紧张的，未来是完美的。

你在20多岁做出的选择将定义你的30岁及以后。

The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.

We think in order to act, and act in order to live.