宇宙学家经常犯错，但从不怀疑。

我们应当把这种儿童的神秘的力量当作某种神圣的东西。因为个人未来的个性正是在这个创造性的时期被确定下来了。

The facility which this revenue gives for borrowing money is what has enabled the greater part of Europe to accumulate a capital of such a magnitude.

The strength of a response tendency depends on the amount of reinforcement received.

Integrity is the most important currency in business. Once you lose it, you lose everything.

预测未来的最好方式就是创造未来。