The key to breakthrough is not just hard work, but also the courage to challenge existing paradigms.
If you just set out to be liked, you would be prepared to compromise on anything at any time, and you would achieve nothing.
The secret of change is to focus all of your energy，not on fighting the old，but on building the new.
改变的秘诀是集中你的所有能力，不是摧毁旧的，而是建造新的。
永远不要让其他人定义你的价值。只有你能决定自己的价值。
生活是世界上最罕见的事情。大多数人只是存在，仅此而已。
Work spares us from three evils: boredom， vice， and need.