“You must either make a tool of the creature, or a man of him.”
Volume II, chapter VI, section 12.
The Stones of Venice (1853)
Context: You must either make a tool of the creature, or a man of him. You cannot make both. Men were not intended to work with the accuracy of tools, to be precise and perfect in all their actions. If you will have that precision out of them, and make their fingers measure degrees like cog-wheels, and their arms strike curves like compasses, you must unhumanize them. All the energy of their spirits must be given to make cogs and compasses of themselves…. On the other hand, if you will make a man of the working creature, you cannot make him a tool. Let him but begin to imagine, to think, to try to do anything worth doing; and the engine-turned precision is lost at once. Out come all his roughness, all his dulness, all his incapability; shame upon shame, failure upon failure, pause after pause: but out comes the whole majesty of him also; and we know the height of it only when we see the clouds settling upon him.
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John Ruskin 133
English writer and art critic 1819–1900Related quotes

Source: 1930s, Die verfluchten Hakenkreuzler. Etwas zum Nachdenken (1932)

“Man [is a] tool-making animal.”
Quoted by James Boswell in The Life of Samuel Johnson, April 7, 1778 https://books.google.de/books?id=nuINAAAAQAAJ&pg=PA199&dq=tool-making (1791).
Decade unclear

As quoted in "Susan Sarandon On 'Jeff Who Lives At Home'" in The Daily Beast (16 March 2012) http://www.thedailybeast.com/articles/2012/03/16/susan-sarandon-on-jeff-who-lives-at-home-limbaugh-the-gop-tim-robbins-and-more
Quote
The Technical Tools of Statistics. The American Statistician 34 (1). Online at https://www.jstor.org/stable/2682374

Of Negotiating
Essays (1625)
Context: If you would work any man, you must either know his nature and fashions, and so lead him; or his ends, and so persuade him or his weakness and disadvantages, and so awe him or those that have interest in him, and so govern him. In dealing with cunning persons, we must ever consider their ends, to interpret their speeches; and it is good to say little to them, and that which they least look for. In all negotiations of difficulty, a man may not look to sow and reap at once; but must prepare business, and so ripen it by degrees.