time and words can never be recalled. wade not in unknown water.all rivers run into the sea.，如果你年轻时没有学会思考，那就永远学不会思考。英文格言警句，experience more than sufficiently teaches that men govern nothing with more difficult than their tongues.a man， like a watch， is to be valued by this manner of going.三样东西最易消逝∶树...
