In the first place you must study drawing for at least one year; then you must remain with a master at the workshop for the space of six years at least , that you may learn all the parts and members of the art...drawing without intermission on holidays and work-days
Cennino CenniniDo not fail, as you go on, to draw something every day, for no matter how little it is, it will be well worthwhile, and it will do you a world of good.
Cennino Cennini