Heros come and go,but legends are forever.

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.

成功的秘诀是学会如何使用痛苦和快乐，而不是让痛苦和快乐使用你。如果你这样做，你就控制了你的生活。如果你不这样做，生活就会控制你。

先验真理并不一定是独立于经验而知的真理。