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.
PlutarchWhen a man's eyes are sore his friends do not let him finger them, however much he wishes to, nor do they themselves touch the inflammation: But a man sunk in grief suffers every chance comer to stir and augment his affliction like a running sore; and by reason of the fingering and consequent irritation it hardens into a serious and intractable evil.
PlutarchSo also it is good not always to make a friend of the person who is expert in twining himself around us; but, after testing them, to attach ourselves to those who are worthy of our affection and likely to be serviceable to us.
PlutarchGout is not relieved by a fine shoe nor a hangnail by a costly ring nor migraine by a tiara.
Plutarch