◎ 老骥伏枥 lǎojì-fúlì[able men tied down to a routine post;ambition survives even in old age like the old steed in the stable that still wants to gallop a thousand li ] 三国魏·曹操《步出夏门行》:“老骥伏枥,志在千里。烈士暮年,壮心不已。”(烈士:有志功业的人)比喻年已老但雄心壮志不减当年-----------------国语辞典：好马虽老了，伏在马槽边，仍想奔跑千里的路程。语出三国魏．曹操〈步出夏门行〉：「老骥伏枥，志在千里。烈士暮年，壮心不已。」比喻年虽老而仍怀雄心壮志。宋．陆游〈与何蜀州启〉：「老骥伏枥，虽未歇于壮心。」也作「伏枥老骥」。
◎ 老当益壮 lǎodāngyìzhuàng(1) [hale and hearty in old age; be old but vigorous]∶主要指老年人继续保持旺盛的斗志丈夫为志,穷当益坚,老当益壮。——《后汉书·马援传》(2) [florid old; be old in age but buoyant in spirit; there's many a good tune played on an old fiddle]∶年纪虽老,仍健康和充满活力 老当益壮,不甘落后-----------------国语辞典：语出《后汉书．卷二四．马援传》：「丈夫为志，穷当益坚，老当益壮。」指年纪虽大而志气更加豪壮。唐．王勃〈滕王阁序〉：「老当益壮，宁移白首之心？穷且益坚，不坠青云之志。」也作「老而益壮」。反未老先衰