Art is certainly not a pursuit for anyone who wants to make money.
Realize that a drawing is not a copy. It is a construction in very different materials. A drawing is an invention.
A Curve does not exist in its full power until contrasted with a straight line.
You pass people on the street, some are for you, some are not.
Painting should never look as if it were done with difficulty, however difficult it may actually have been.
Many receive a criticism and think it is fine; think they got their money's worth; think well of the teacher for it, and then go on with their work just the same as before. That is the reason much of the wisdom of Plato is still locked up in the pages of Plato.