Every artist dips his brush in his own soul, and paints his own nature into his pictures.

I can resist everything except temptation.

真正的领导力是激励他人实现他们认为不可能的事情。

The most effective way to promote democracy is not through military intervention but through the slow and steady process of building institutions and promoting economic development.

在数学中，你不理解事物。你只是习惯它们。