He who busies himself in mean occupations, produces in the very pains he takes about things of little or no use, an evidence against himself of his negligence and indisposition to what is really good
PlutarchIt is no disgrace not to be able to do everything; but to undertake, or pretend to do, what you are not made for, is not only shameful, but extremely troublesome and vexatious.
PlutarchFor he who gives no fuel to fire puts it out, and likewise he who does not in the beginning nurse his wrath and does not puff himself up with anger takes precautions against it and destroys it.
Plutarch