So 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. Plutarch
To make no mistakes is not in the power of man; but from their errors and mistakes the wise and good learn wisdom for the future. See image Plutarch
I don't need a friend who changes when I change and who nods when I nod; my shadow does that much better. See image Plutarch