我热切希望指出真正的尊严和人类幸福在于什么。
I earnestly wish to point out in what true dignity and human happiness consists.
对心灵的研究就是对适应行为的研究。
I treat it like every day is a new challenge, and I’ve got to get better every day.
The best books are those that tell you what you know already.
The past is not behind us; it is within us.
人声是最美的乐器,但也是最难演奏的。