学习新编程语言的最好方法是用它编写程序。

The melancholy science from which I make this offering to my friend relates to a region that from time immemorial was regarded as the true field of philosophy, but which, since the latter's conversion into method, has lapsed into intellectual neglect, sententious whimsy, and finally oblivion.

最伟大的魔法不在于我们施放的咒语，而在于我们触及的生活。