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. . .

Simplicity is the greatest adornment of art.

Love and delight are better teachers than compulsion.

Some think that they know everybody, but they really don't know themselves.

My father suffered much and toiled painfully all his life, for he had no resources other than the proceeds of his trade from which to support himself and his wife and family.

Geometry is the foundation of all painting.

An artist of understanding and experience can show more of his great power and art in small things roughly and rudely done, than many another in a great work. A man may often draw something with his pen on a half sheet of paper in one day . . . . and it shall be fuller of art and better than another's great work whereon he hath spent a whole year's careful labor.