【正文】 edominance of courage over timidity of the appetite , for adventure over the love of ease. this often exists in a man of 60 more than a boy of 20 . nobody grows old merely by a number of years . we grow old by deserting our ideals.years wrinkle the skin , but to give up enthusiasm wrinkles the soul . worry , fear , self –distrust bows the heart and turns the spirit back to dust .whether 60 of 16 , there is in every human being 39。而一旦拋棄理想和信念，則垂垂老也。 青春是追求。范例：ladies and gentlemen , good afternoon! i39。提出論題的方法有各種各樣，但最生動，最能引起注意的是用舉例法。s heart the lure of wonders, the unfailing childlike appetite of what39。 歲月只能使皮膚起皺。青春是生命深處清泉的噴涌。最普通的結(jié)尾就是：thank you very much for your attention。比如：你要呼吁大家關(guān)心貧窮地區(qū)的孩子，你可以用親眼看到的或者收集到的那些貧窮孩子多么需要幫助的實(shí)例開始。s next and the joy of the game of living . in the center of your heart and my heart there39。而一旦喪失生活的激情，則連靈魂枯老，使人生枯如死水，