A too-expected image (cliché) will never seem right, even if it is.

Ten properties of an object, according to Leonardo: light and dark, color and substance, form and position, distance and nearness, movement and stillness.

The faculty of using my resources well diminishes when their number grows.

The things one can express with the hand, with the head, with the shoulders!... How many useless and encumbering words then disappear! What economy!

Nothing more inelegant and ineffective than an art conceived in another art's form.

The ear is profound, whereas the eye is frivolous, too easily satisfied. The ear is active, imaginative, whereas the eye is passive. When you hear a noise at night, instantly you imagine its cause. The sound of a train whistle conjures up the whole station. The eye can perceive only what is presented to it.

Catch instants. Spontaneity, freshness.