Histories make men wise ; poems witty; the mathematics subtle; natural philosophy deep ; moral grave ; logic and rhetoric able to contend . (Francis Bacon , British philosopher ) 歷史使人明智;詩詞使人靈秀;數學使人周密;自然哲學使人深刻;倫理使人莊重;邏輯修辭學使人善辨。( 英國哲學家 培根. F.)

　　If you don't learn to think when you are young , you may never learn .(Thomas Edison , American inventor ) 如果你年輕時就沒有學會思考，那么就永遠學不會思考。(美國發明家 愛迪生 . T.)

　　Natural abilities are like natural plants that need pruning by study. (Francis Bacon , British philosopher ) 天生的才干如同天生的植物一樣，需要靠學習來修剪。(英國哲學家 培根 . F.)