If you intend to make a living at drawing, by all means learn it [the rules of perspective] now, and do not have them bothering you and your work for the rest of your life.

A head is not drawn until you can feel the unseen side.

Art without color would lose much of its purpose.

It is ten per cent how you draw, and ninety per cent what you draw.

Observation and study are necessary to achieve mastery of light and form

To learn to draw is to draw and draw and draw.

I feel that talent means little unless coupled with an insatiable desire to give an excellent personal demonstration of ability...talent must be in company with a capacity for unlimited effort which provides the power that eventually hurdles the difficulties that would frustrate lukewarm enthusiasm.

To any man who has slaved to acquire skill in his art, it is most irritating to have his ability referred to as a “gift.”

The difficulties of not knowing are always much greater than the effort of learning.