Habit is the deepest law of human nature. It is our supreme strength
 Thomas Carlyle, Past and Present (1843). copy citation

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Author Thomas Carlyle
Source Past and Present
Topic strength law
Date 1843
Language English
Reference
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Weblink http://www.gutenberg.org/cache/epub/13534/pg13534-images.html

Context

“and all over it has now grown mere calcified oystershell, or were it polished mother-of-pearl, inwards almost to the very heart of the poor man:—yes then, you may say, his usefulness once more is quite obstructed; once more, he cannot go abroad and do business in the world; it is time that he take to bed, and prepare for departure, which cannot now be distant! Ubi homines sunt modi sunt. Habit is the deepest law of human nature. It is our supreme strength; if also, in certain circumstances, our miserablest weakness.—From Stoke to Stowe is as yet a field, all pathless, untrodden: from Stoke where I live, to Stowe where I have to make my merchandises, perform my businesses, consult my heavenly oracles, there is as yet no path or human footprint;” source