The curious paradox is that when I accept myself just as I am, then I can change.

领导力是关于用远见和诚信做出艰难决定。

记忆是个狡猾的东西；它既可以是安慰，也可以是诅咒。

Learning consists in the modification of certain mediating processes which operate between the stimulus and the response.

Sometimes, I think the reason we hold onto something so tight is because we fear something so great will never happen again.

可持续发展不是选择，而是对后代的责任。