科学最重要的意义在于它为我们提供了一种方法，可以提出能够明确回答的问题。

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

The artist must be a witness to his time.

灵魂不灭。

动作从不撒谎。

The ratio of positive to negative emotions that predicts flourishing is about 3 to 1. Above that ratio, people tend to flourish; below it, they tend to languish.