英语翻译学而时习之,不亦说乎?温故而知新,可以为师矣.

学而时习之,不亦说乎?Is it not pleasant to learn with a constant perseverance and application?温故而知新,可以为师矣。If a man keeps cherishing his old knowledge,so as continually to be acquiring new,he may be a teacher of others。