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.

领导力在于激发行动，而不仅仅是下达命令。

没有自由的安全，叫做监狱。

Doubt is the beginning of wisdom, not its enemy.

I think that when you love somebody, whether it's right or wrong, nobody can tell you you're wrong.