唯一能产生差异的是爱。

相对论不仅仅是一个科学理论，而且是一个哲学理论。

The novel is the most complete and profound expression of human liberty.

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

在追求真理的过程中，我们必须愿意被最简单的事实所纠正。