The most important property of a program is whether it accomplishes the intention of its user.

插画不应该只是装饰文本；它们应该扩展文本。

It is better to be a human being dissatisfied than a pig satisfied； better to be Socrates dissatisfied than a fool satisfied.

如果因为我，能有更好的果实和更美的花朵，我就心满意足了。