设定目标的用意不在于非得达成,而在于有个明确方向。
A goal is not always meant to be reached, it often serves simply as something to aim at.
The past is a shadow that follows us, a ghost that haunts us.
质数就是当你把所有模式都剔除后剩下的东西。我觉得质数就像生活,它们非常有逻辑性,但你永远无法找出规律,即使你花上一辈子时间去思考。