It 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.
PlutarchThemistocles replied that a man's discourse was like to a rich Persian carpet, the beautiful figures and patterns of which can only be shown by spreading and extending it out; when it is contracted and folded up, they are obscured and lost.
Plutarch