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. . .

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.

Simplicity is the greatest adornment of art.

Help us to recognize your voice, help us not to be allured by the madness of the world, so that we may never fall away from you, O Lord Jesus Christ.

I hold that the perfection of form and beauty is contained in the sum of all men.

Sight is the noblest sense of man.

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