Avoid studies of which the result dies with the worker.
A clever man without wisdom is like a beautiful flower without fragrance.
We, by our arts may be called the grandsons of God.
The painter who has no doubt about his own ability will attain very little.
A man was desired to rise from bed because the sun was already up. He replied: "If I had as far to go and as much to do as he has, I should be up by now; but having but a little way to go, I shall not get up yet."
Necessity is a guardian in Nature.