在这个行业里，你必须脸皮厚。

"You can never know everything, and part of what you know is always wrong."

"In a world of scarcity, the most valuable resource is not oil or gold, but imagination."

The limits of my language mean the limits of my world.

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.