We must be free not because we claim freedom, but because we practice it.

对心灵的研究必须摆脱一切先入为主的观念。

I'm not a person who likes to look back. I'm always looking forward.

To be a Christian without prayer is no more possible than to be alive without breathing.

最好的营销策略是产品足够好，以至于它能自我营销。

如果有人笨到要花100万美元为我拍张照片，我当然不会笨到拒绝他。

To overcome the anxieties and depressions of contemporary life, individuals must become independent of the social environment to the degree that they no longer respond exclusively in terms of its rewards and punishments.

Leadership is about making tough decisions and standing by them.

追求完美的想法，是一个好计划的最大敌人。