Progress has not followed a straight ascending line, but a spiral with rhythms of progress and retrogression, of evolution and dissolution.

Do not hurry; do not rest.

Strike the dog dead, it's but a critic!

People should talk less and draw more. Personally, I would like to renounce speech altogether and, like organic nature, communicate everything I have to say visually.

To be sure, a good work of art can and will have moral consequences, but to demand of the artists moral intentions, means ruiningtheir craft.

Every second is of infinite value.

Like the star that shines afar, Without haste and without rest, Let each one wheel with steady sway Round the task that rules the day, And do their best.