To him I owe the discovery that even very short periods of time add up to all useful hours I need, if I plunge in without delay. (Johm Erskine, American educator)

我感激他使我发现即使是很短的时刻，只要我分秒必争的一头钻进工作，积累起来就成为我需要的特别有用的几个钟头。(美国教育家 厄斯金.J.)