William Hogarth

On why our features sag, It is by the natural and unaffected movements of the muscles, caused by the passions of the mind, that every man's character would in some measure be written in his face, by the time he arrives at forty years of …

A great many people seem to delight most in what they least understand.

Experience teaches us that the eye may be subdued and forced into forming and disposing of objects even quite contrary to what it would naturally see them, by pre judgement of the mind or some other persuasive motive.

Any two opposite colours of the rainbow (eg yellow and blue) , form a third between them, thus imparting to each other their peculiar qualities . The sight of what they were originally is quite lost, and instead, a most pleasing green is …

[T]he connoisseurs and I are at war you know; and because I hate them, they think I hate Titian—and let them!