【正文】
he 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 amp。s heart the lure of wonders, the unfailing childlike appetite of whatamp。s a wireless station : so long as it receives messages of beauty , hope ,cheer, courage and power from men and from the infinite, so long as you are young . when the aerials are down , and your spirit is covered with snows of cynicism and the ice of pessimism, then