Don't fight a battle if you don't gain anything by winning.

The less you know, the more you believe.

最有效的发展干预措施往往是最简单的。

Optimism is a strategy for making a better future. Because unless you believe that the future can be better, you are unlikely to step up and take responsibility for making it so.

笑是一种连接大群体的机制。

The only real mistake is the one from which we learn nothing.