To love means to open ourselves to the negative as well as the positive - to grief, sorrow, and disappointment as well as to joy, fulfillment, and an intensity of consciousness we did not know was possible before.

给一个人火，他能温暖一天；但把他点燃，他能温暖余生。

最好的科幻小说不是关于未来；它是关于现在。

新殖民地的建立者，无论他们最初可能设想出多么乌托邦的人类美德和幸福，都无一例外地在他们最早的实际需求中认识到，必须分配一部分处女地作为墓地，另一部分作为监狱的所在地。