The only person you should try to be better than is the person you were yesterday.

写作是一种思考的方式，一种探索世界和自我的方式。

Do not feel envious of the happiness of those who live in a fool’s paradise, for only a fool will think that it is happiness.

The past explains the present - that is the fundamental premise of evolutionary psychology.

The only real failure in life is not to be true to the best one knows.

Sometimes the hardest thing and the right thing are the same.

所谓生活，一半是回忆，一半是继续。

True leadership is about making tough decisions for the greater good.