The things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success.
地质学研究的真正魅力在于从已知到未知的思维锻炼。
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。
成长是痛苦的，但没有什么比停滞不前更痛苦。