“If all men by nature desire to know, then they desire most of all the greatest knowledge of science. So the Philosopher argues in chap. 2 of his first book of the work [Metaphisics]. And he immediately indicates what the greatest science is, namely the science which is about those things that are most knowable. But there are two senses in which things are said to be maximally knowable: either [1] because they are the first of all things known and without them nothing else can be known; or [2] because they are what are known most certainly. In either way, however, this science is about the most knowable. Therefore, this most of all is a science and, consequently, most desirable…”
sic: si omnes homines natura scire desiderant, ergo maxime scientiam maxime desiderabunt. Ita arguit Philosophus I huius cap. 2. Et ibidem subdit: "quae sit maxime scientia, illa scilicet quae est circa maxime scibilia".
Maxime autem dicuntur scibilia dupliciter: uel quia primo omnium sciuntur sine quibus non possunt alia sciri; uel quia sunt certissima cognoscibilia. Utroque autem modo considerat ista scientia maxime scibilia. Haec igitur est maxime scientia, et per consequens maxime desiderabilis.
Quaestiones subtilissimae de metaphysicam Aristotelis, as translated in: William A. Frank, Allan Bernard Wolter (1995) Duns Scotus, metaphysician. p. 18-19
Original
sic: si omnes homines natura scire desiderant, ergo maxime scientiam maxime desiderabunt. Ita arguit Philosophus I huius cap. 2. Et ibidem subdit: "quae sit maxime scientia, illa scilicet quae est circa maxime scibilia". Maxime autem dicuntur scibilia dupliciter: uel quia primo omnium sciuntur sine quibus non possunt alia sciri; uel quia sunt certissima cognoscibilia. Utroque autem modo considerat ista scientia maxime scibilia. Haec igitur est maxime scientia, et per consequens maxime desiderabilis.
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Duns Scotus 3
Scottish Franciscan friar, philosopher and Catholic blessed 1265–1308Related quotes

1950s, The Impact of Science on Society (1952)

Burke and the Edinburgh Phrenologists in The Atlas (15 February 1829); reprinted in New Writings by William Hazlitt, William Hazlitt and Percival Presland Howe (ed.), (2nd edition, 1925), p. 117; also reprinted in The Complete Works of William Hazlitt, Volume 20: Miscellaneous writings, (J.M. Dent and Sons, 1934), (AMS Press, 1967), p. 201

“Logic is the most useful tool of all the arts. Without it no science can be fully known.”
Summa Logicae (c. 1323), Prefatory Letter, as translated by Paul Vincent Spade (1995) http://www.pvspade.com/Logic/docs/ockham.pdf
Context: Logic is the most useful tool of all the arts. Without it no science can be fully known. It is not worn out by repeated use, after the manner of material tools, but rather admits of continual growth through the diligent exercise of any other science. For just as a mechanic who lacks a complete knowledge of his tool gains a fuller [knowledge] by using it, so one who is educated in the firm principles of logic, while he painstakingly devotes his labor to the other sciences, acquires at the same time a greater skill at this art.

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Statement of 1864, quoted in Pamphlets on the Deaf, Dumb & Blind http://books.google.com/books?id=FLcMAQAAIAAJ&q=%22There+is+no+dress+which+embellishes+the+body+more+than+science+does+the+mind%22&dq=%22There+is+no+dress+which+embellishes+the+body+more+than+science+does+the+mind%22&hl=en&sa=X&ei=UlFgVOWoJY-uyATH1YDACQ&ved=0CB8Q6AEwAA