We are all blind, but some of us can see.

Men and women who turn their lives over to God will discover that He can make a lot more out of their lives than they can.

Youth is not a time of life; it is a state of mind; it is not a matter of rosy cheeks, red lips and supple knees; it is a matter of the will, a quality of the imagination, a vigor of the emotions; it is the freshness of the deep springs of life.

心理学不应关注静态元素，而应关注有机体与环境之间的动态相互作用。

在计算机科学中，抽象是管理复杂性的关键。