The real giants have been those who have stood for something, who have had a clear idea of what they wanted to say and have said it with force and clarity.

The best way to understand something is to try to change it.

I am not an Athenian or a Greek，but a citizen of the world.

No matter what anybody tells you,words and ideas can change the world.

男人的面孔是他的自传，女人的面容是她的幻想作品。