A little philosophy inclineth man's mind to atheism， but depth in philosophy bringeth men's minds about to religion.

数学是人类精神最美丽、最强大的创造。

对邪恶宽容就是犯罪。

"The truth is rarely pure and never simple."

我宁愿在尝试中失败，也不愿在保守中成功。