真正的领导力意味着今天做出艰难的决定，这些决定将使后代受益。

"The greatest threat to the planet is the idea that someone else will save it."

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

There is a stubbornness about me that never can bear to be frightened at the will of others. My courage always rises at every attempt to intimidate me.

I like talking to a brick wall, it’s the only thing in the world that never contradicts me.