Beauty is truth, truth beauty,—that is all ye know on earth, and all ye need to know.

As to the gods, I do not know whether they exist or not, nor what they are like in form; for there are many things that hinder sure knowledge, the obscurity of the matter and the shortness of human life.

The only real freedom is the freedom to imagine.

The duty of man is the same in respect to his own nature as in respect to the nature of all other things.

International cooperation should be based on mutual benefit and win-win results.

幸福来自内心，而不是物质的东西。