过去永远是紧张的，未来是完美的。
The past is always tense, the future perfect.
The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
写作是一种勇气的行为。
Life is short, make every moment count.
译文：不务正业的人如果能迷途知返，仍然是一个正人君子；高贵的人误入歧途，便会被庸人嘲笑。赏析：过去的错误已无可挽回，但未来的路还可以追寻。人犯错误不可怕，就怕一错再错，不知悔改。
当我们理解基于知识的系统时，情况将与以前一样-除了我们的指尖会被选中。