No man really knows about other human beings. The best he can do is to suppose that they are like himself.
你或许无法控制发生在你身上的所有事情,但你可以决定不被它们打倒。
家不是一个地方,而是一种感觉。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
生命是用来度过的,不是用来节省的。
在野外生存的最佳方法是保持冷静并清晰地思考。