The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.

The best way to predict the future is to create it.

一切事物都完备地存在于我心中。反观自身而达到真诚，快乐没有比这更大的了。

每个生命都会留下证据的痕迹；传记作者就是追踪这些痕迹的侦探。