Constancy does not begin, but is that which perseveres.
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.
Small rooms or dwellings discipline the mind, large ones weaken it.
All thoughts start from emotions.
Vitality and beauty are gifts of Nature for those who live according to its laws.
The merit of painting lies in the exactness of reproduction. Painting is a science and all sciences are based on mathematics. No human inquiry can be a science unless it pursues its path through mathematical exposition and demonstration.