I don't think that you have any insight whatsoever into your capacity for good until you have some well-developed insight into your capacity for evil.
幸福的秘诀是:尽量扩大你的兴趣,对感兴趣的人和物尽可能友善。
心理过程的价值不在于其构成,而在于它对生存和繁荣的后果。