BROWNE, Alexander, Ars Pictoria : or an Academy Treating of Drawing, Painting, Limning, Etching. To which are Added XXXI. Copper Plates, Expressing the Choicest, Nearest, and Most Exact Grounds and Rules of Symmetry. Collected out of the most Eminent Italian, German, and Netherland Authors. By Alexander Browne, Practitioner in the Art of Limning. The Second Edition, Corrected and Enlarged by the Author, London, Arthur Tooker - William Battersby, 1675.1 quotations
Proportion is a correspondency and agreement of the Measure of the parts between themselves and with the whole, in every Work, this correspondency is by Vitruvius called Commodulation, because a Modell is a Measure which being taken at the first measureth both the parts and the whole. […] and without this a Painter (besides that he is not worthy the name of a Painter) is like one which perswadeth himself he swimmeth above Water, when indeed he sinketh, to conclude then it is impossible to make any decent or well proportioned thing, without this Symetrical measure of the parts orderly united.
Wherefore my greatest endeavour shall be, to lay open the worthiness of this part of painting unto all such as are naturally inclined thereunto, by reason of a good temperature joyned with an apt Disposition of the parts thereof, for such men will be much affected therewith, to the end they may the better perceive the force of Nature : who by industry and help of a good conceipt, will easily attain to so deep a reach, that they will be able upon the sudden to discern any Disproportion, as a thing repugnant to their Nature : unto which perfection on the contrary Side they can never attain, whose Judgements are corrupted through the Distemperature of their Organical parts, I speak of such who not knowing the virtue of proportion, affect nothing else, but the vain surface of garish colours, wrought after their own humour, who prove only Dawbers of Images and Walls throughout the whole World ; moving the beholders partly to smile at their Follies, and partly to greive that the Art should be thus disgraced by such absurde Idiot’s : who as they have no judgement herein ; so do they run into divers other most shamefull errors, into which I never heard that any ever fell, who were acquainted with the Beauty of proportion, but have rather prooved men of rare Spirits and found Judgements, […].