“One’s skill is never complete, one’s knowledge is forever lacking, one’s taste is invariably altered, one’s opinion ever subject to controversy. There is a complete and constant urge towards improvement.”

“There’s only one way to assure consistently good work. That is consistently thorough preparation.”

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

“One’s skill is never complete, one’s knowledge is forever lacking, one’s taste is invariably altered, one’s opinion ever subject to controversy. There is a complete and constant urge towards improvement.”

“No "knack" of drawing heads can compete with sound knowledge.”

“I have never found a book that stressed the importance of myself as a caretaker of my ability, of staying healthy mentally and physically, or that gave me an inkling that my courage might be strained to the utmost.”

“As a student I thought there was a formula of some kind that I would get hold of somewhere, and thereby become and artist. There is a formula, but it has not been in books. It is really plain old courage, standing on one's own feet, and forever seeking enlightenment; courage to develop your way, but learning from the other fellow; experimentation with your own ideas, observing for yourself, a rigid discipline of doing over that which you can improve.”