Now, Ludwig van Beethoven was in his fifties when he was working on his last symphony-- what would prove to be his last symphony-- his Ninth Symphony, and he'd been tinkering with this particular melody all the way back to probably 1803, so it's about twenty years or so.

路德维希·凡·贝多芬在五十多岁时,创作了他最后一首交响乐,后来成为他最后的交响曲,就是他的第九交响曲,他一直在锤炼这段旋律,也许要追溯到一八零三年,所以大概经历了二十个年头

耶鲁公开课 - 聆听音乐课程节选

James Henry Hammond starts writing in the forties and into the fifties and he takes it much further, and he writes over and over and over again that, said James Henry Hammond, is that too damn many northerners didn't understand it is the way of the world as it is, and they ought to stop talking about the world as it ought to be.

詹姆斯.亨利.哈蒙德不惑之年才开始写作,到了五十岁仍笔耕不辍,他不停地写作,不停地著书,詹姆斯·亨利·哈蒙德说道,大多数北方人不能明白,这就是世界的本原,他们应该停止有关世界本源的讨论

耶鲁公开课 - 美国内战与重建课程节选