Few Have Been Taught To Any Purpose

The Value And Rank Of Every Art Is In Proportion To The Mental Labor Employed In It, Or The Mental Pleasure In Producing It.

By Close Inspection... You Will Discover The Manner Of Handling The Artifices Of Contrast, Glazing, And Other Expedients, By Which Good Colorists Have Raised The Value Of Their Tints, And By Which Nature Has Been So Happily Imitated.

Genius Is Supposed To Be A Power Of Producing Excellences Which Are Put Of The Reach Of The Rules Of Art: A Power Which No Precepts Can Teach, And Which No Industry Can Acquire.

Excellence Is Never Granted To Man, But As The Reward Of Labour.

It Is Vain For Painters... To Endeavour To Invent Without Materials On Which The Mind May Work.