The bitterest creature under heaven is the wife who discovers that her husband's bravery is only bravado.
The quality of a country's institutions is the most important determinant of its success.
Happiness is not something ready made. It comes from your own actions.
科学是提出正确问题并通过证据和理性找到答案的艺术。
有时你唯一能控制的就是视角。你无法控制你的处境。但你可以选择如何看待它。