O painter skilled in anatomy, beware lest the undue prominence of the bones, sinews and muscles cause you to become a wooden painter from the desire to make your nude figures reveal all.

I love those who can smile in trouble.

Every part is disposed to unite with the whole, that it may thereby escape from its own incompleteness.

I am never weary of being useful... In serving others I cannot do enough. No labor is sufficient to tire me.

For those colours which you wish to be beautiful, always first prepare a pure white ground.

Wood feeds the fire which burns it.

The motions of men must be such as suggest their dignity or their baseness.