《南史·列传·卷四十八》
随心所欲，很少责怪，则一天办成也很紧张，深晦不明，尽量潜入，则七步完成也很松缓。
率意寡尤，则事促乎一日，翳翳愈伏，而理赊于七步。
If you do what you like and rarely blame yourself, then even a day of work will be tense. If you are deeply confused and try your best to dive in, then even seven steps are very easy.