Eternal truths will be neither true nor eternal unless they have fresh meaning for every new social situation . (Franklin Roosevelt , American president )
    E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(guó)總統(tǒng) 羅斯福 . F.)
    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(shī)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(guó)哲學(xué)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(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(guó)發(fā)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(xué)習(xí)來修剪。(英國(guó)哲學(xué)家 培根 . F.)