The strength of a nation's institutions is not just in their formal rules, but in the informal norms that govern behavior and the degree to which they are internalized by the population.

Success is measured not just by profit, but by the positive impact we leave behind.

最可怕的时刻总是在你开始之前。

学习数学的最好方法就是做数学。

写作是一种勇气，敢于面对自己的内心和世界的真相。

世界如此不快乐是因为它对真实的自我无知。人的真正本性是幸福的。幸福是与生俱来的在真实的自我中。人对幸福的追求是对他真实自我的无意识的追求。