As to the gods, I have no means of knowing either that they exist or that they do not exist. For many are the obstacles that impede knowledge, both the obscurity of the question and the shortness of human life.

没有目的的创新只是噪音。

最好的创新方式是拥抱失败。

The great cause of the prosperity of the country is liberty—liberty in the economic system.

要理解生者，你必须与逝者对话。