Think wrongly, if you please, but in all cases think for yourself.

The character of a building is determined by the way it is used, not by its appearance.

广义相对论在某种意义上就是引力场的理论。

想象力比知识更重要。知识是有限的，而想象力则环绕着世界。

你永远无法像你希望的那样完全了解一个人。但这没关系，爱更好。