试图阻止知识前进是没有好处的。无知永远不比知识好。
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge.
The best way to cheer yourself up is to try to cheer somebody else up.
真正的普惠是让每个人都有平等的机会。
A great biography should be like a portrait that captures both the light and the shadow.