The painter is, as to the execution of his work, a mechanic; but as to his conception and spirit and design he is hardly below even the poet.

Individual character is in the right that is in strict consistence with itself. Self-contradiction is the only wrong.

A beautiful soul has no other merit than its own existence.

Forgiveness is the divinest of victories.

Life is earnest, art is gay.

Whatever is not forbidden is permitted.

Aesthetic matters are fundamental for the harmonious development of both society and the individual.