Paint like a fiend when the idea possesses you.
You pass people on the street, some are for you, some are not.
A weak background is a deadly thing.
A Curve does not exist in its full power until contrasted with a straight line.
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.
Art is certainly not a pursuit for anyone who wants to make money.