历史使人明智；诗词使人灵秀；数学使人周密；自然哲学使人深刻；伦理使人庄重；逻辑修辞学使人善辨。(Histories make men wise ; poems witty; the mathematics subtle; natural philosophy deep ; moral grave ; logic and rhetoric able to contend . ) —— 培根
天生的才干如同天生的植物一样，需要靠学习来修剪。(Natural abilities are like natural plants that need pruning by study. ) —— 培根
如果你年轻时就没有学会思考，那么就永远学不会思考。(If you don"t learn to think when you are young , you may never learn . ) —— 爱迪生
