我学得越多，就越意识到自己不懂的还有很多。

Positive emotions are not trivial luxuries, but instead may be critical necessities for optimal functioning.

The most successful societies in the future will be those that are able to combine the efficiency and technological dynamism of the market with the social safety nets and political stability provided by the state.

The past is a shadow that follows us, but it is up to us to decide whether it will darken our future.

Swim upstream. Go the other way. Ignore the conventional wisdom. If everybody else is doing it one way, there's a good chance you can find your niche by going in exactly the opposite direction.