All of our actions take their hue from the complexion of the heart, as landscapes their variety from light.

I should have been, I don't know, a con-man, a robber or a prostitute. But it was vanity that made me choose painting, vanity and chance.

Let the mind be enlarged... to the grandeur of the mysteries, and not the mysteries contracted to the narrowness of the mind

Knowledge is a rich storehouse for the glory of the Creator and the relief of man's estate.

Innovations, which are the births of time.

Ill Fortune never crushed that man whom good fortune deceived not.

We must see whether the same clock with weights will go faster at the top of a mountain or at the bottom of a mine; it is probable, if the pull of the weights decreases on the mountain and increases in the mine, that the earth has real attraction.