Mistakes can be corrected by those who pay attention to facts but dogmatism will not be corrected by those who are wedded to a vision.

文明的分布很大程度上是气候的问题。

群众从未渴求过真理，他们对不合口味的证据视而不见。假如谬误对他们有诱惑力，他们更愿意崇拜谬误。

数学是科学的钥匙和门。