1.Eternal truths will be neither true nor eternal unless they have fresh meaning for every new social situation. (Franklin Roosevelt, American president )

　　永恒的真理如果不在新的社會(huì)形勢(shì)下賦予新的意義,要么就不是真理,要么就不是永恒的。 (美國總統(tǒng) 羅斯福. F.)

　　2.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(shù)學(xué)使人周密；自然哲學(xué)使人深刻；倫理使人莊重；邏輯修辭學(xué)使人善辨。( 英國哲學(xué)家 培根. F.)

　　3.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(shí)就沒有學(xué)會(huì)思考，那么就永遠(yuǎn)學(xué)不會(huì)思考。(美國發(fā)明家 愛迪生. T.)

　　4.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(xué)習(xí)來修剪。(英國哲學(xué)家 培根. F.)