事实是每个人都相信的简单陈述。它是无辜的，除非被证明有罪。假设是没有人愿意相信的新颖建议。它是有罪的，直到被证明有效。

"The fundamental fact about all of us is that we're alive for a while but will die before long. This fact is the real root cause of all our anger and pain."

I think rationality is a kind of idealization.