做伟大工作的唯一方法就是热爱你所做的事情。如果你还没有找到它，继续寻找。不要满足。

每一天都是新的开始。

心理学必须植根于有机体为生存而斗争的现实中。

Success is not final, failure is not fatal: It is the courage to continue that counts.

不要用战术的勤奋掩盖战略的懒惰。

I don't think about the past. The only thing that matters is the future.