Painting is poetry that is seen rather than felt, and poetry is painting that is felt rather than seen.

The discovery of a good wine is increasingly better for mankind than the discovery of a new star.

Whoever despises the high wisdom of mathematics nourishes himself on delusion and will never still the sophistic sciences whose only product is an eternal uproar.

It vexes me greatly that having to earn my living has forced me to interrupt the work and to attend to small matters.

The eye transmits its own image through the air to all the objects which face it, and also receives them on its own surface, whence the "sensus communis" takes them and considers them.

The faculty of imagination is both the rudder and the bridle of the senses.

Music cannot be called otherwise than the sister of painting, for she is dependent upon hearing, a sense second to sight, and her harmony is composed of the union of its proportional parts sounded simultaneously, rising and falling in one or more harmonic rhythms.