经验的直接内容是唯一可以作为心理学研究主题的事实。

I've always been a private person, but I understand that comes with the territory.

The poor don’t fail to save because they don’t want to—they can’t.

I don't care about being liked. I care about being respected.

未来属于科学——属于那些敢于探索的人。

森林的真正价值不能仅用木材体积来衡量；它的价值在于它所维持的生命。