心理过程因其目的而存在。

我喜欢一步一步来，不喜欢看得太远。

过去是一个陌生的国度；那里的人们做事方式不同。

机会就在抱怨的地方。

Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.

Science is a collaborative effort spanning generations.

"A good picture book is a silent conversation between the artist and the child."

Technology is about enabling human potential.