The only limit to our realization of tomorrow will be our doubts of today.
在危机时期,真正的领导力是通过行动而不是言语来衡量的。
You don't learn to walk by following rules. You learn by doing, and by falling over.
生命之援助,这就是教育。
世界上充满了显而易见的事物,但没有人注意到它们。