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乌鸦聚集在一起,虽然看上去很和好,实际上并不亲密;不慎重地结交朋友,虽似牢固,终必破裂。
It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.
过去并未死去;它甚至还未过去。
在数学中,旅程和目的地同样重要,因为正是通过发现的过程,我们才能真正学习。