I never buy anything unless I can give myself a good reason why I should buy it.
Skepticism: the mark and even the pose of the educated mind.
当你停止学习的那一刻,你就停止了成长。
所有事情都是可能的,直到它们被证明是不可能的——即使不可能的事情,到目前为止也可能只是如此。