509
In the presence of Nature even moderate talent is always possessed of insight; hence drawings from Nature that are at all carefully done always give pleasure.
510
To make many sketches issue at last in a complete work is something that not even the best artists always achieve.
511
In the sphere of true Art there is no preparatory school, but there is a way of preparation; and the best preparation is the interest of the most insignificant pupil in the work of the master. Colour-grinders have often made excellent painters.