"I did not want to think so much about her. I wanted to take her as an unexpected, delightful gift, that had come and would go again — nothing more. I meant not to give room to the thought that it could ever be more. I knew too well that all love has the desire for eternity and that therein lies its eternal torment. Nothing lasts. Nothing."

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Girls are simply wonderful. Just to stand on a corner and watch them going past is delightful. They don't walk. At least not what we do when we walk. I don't know how to describe it, but it's much more complex and utterly delightful. They don't move just their feet; everything moves and in different directions . . . and all of it graceful.

— Robert A. Heinlein