If A Man Devotes Himself To Art,

Love And Delight Are Better Teachers Than Compulsion.

And Since Geometry Is The Right Foundation Of All Painting, I Have Decided To Teach Its Rudiments And Principles To All Youngsters Eager For Art. . .

Geometry Is The Foundation Of All Painting.

As I Grew Older, I Realized That It Was Much Better To Insist On The Genuine Forms Of Nature, For Simplicity Is The Greatest Adornment Of Art.

Some Think That They Know Everybody, But They Really Don't Know Themselves.