"To love is to risk not being loved in return. To hope is to risk pain. To try is to risk failure, but risk must be taken because the greatest hazard in life is to risk nothing."

大脑的活动构成了心智

I don't let anyone dictate my life.

夜晚是一种伟大的寂静，但星星是它的音乐。

The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.

The only limit is the one you set yourself.

儿童不仅在心理上是被动的，而且像一个空花瓶，是一个有待于充满及塑造的生命。