After nature had drawn a few breaths, the star cooled and congealed, and the clever beasts had to die. One might invent such a fable, and yet he still would not have adequately illustrated how miserable, how shadowy and transient, how aimless and arbitrary the human intellect looks within nature.

One touch of nature makes the whole world kin.

Sex is part of nature. I go along with nature.

Do not imitate one another's style. If you do, so far as your art is concerned you will be called a grandson, rather than the son of Nature. It is always best to have recourse to nature, which is replete with such abundance of objects, than to the productions of other masters, who learnt everything from her.

A slender acquaintance with the world must convince every man, that actions, not words, are the true criterion of the attachment of his friends, and that the most liberal professions of good will are very far from being the surest marks of it. I should be happy that my own experience had afforded fewer examples of the little dependence to be placed upon them.

Sculpture, a very noble art, is one that does not in the execution require the same supreme ingenuity as the art of painting, since in two most important and difficult particulars, in foreshortening and in light and shade... the painter has to invent a process, [whereas] sculpture is helped by nature.