当你认为你理解了一个问题时，你就停止思考它了。

恐惧不是你的敌人。它是一个指南针，指向你需要成长的领域。

We don't inherit the earth from our ancestors; we borrow it from our children—this is especially true in forestry.

I believe that if you keep your faith, you keep your trust, you keep the right attitude, if you're grateful, you'll see God open up new doors.

赢得奖牌并不是奥运会的重点。重要的是参与。