The solution of a problem appears suddenly and is not approached by a gradual, step-by-step procedure.

Pleasures， then， and the avoidance of pains， are the ends that the legislator has in view.

音乐的美妙之处在于每个人都可以享受它，无论他们的背景或环境如何。

Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.