The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.

The only way to do great work is to love what you do.

The only person you are destined to become is the person you decide to be.

幸福的秘诀是：尽量扩大你的兴趣范围，对感兴趣的人和物尽可能友善。