If you choose bad companions, no one will believe that you are anything but bad yourself.
Fine clothes may disguise, but silly words will disclose a fool
It is one thing to say that something should be done, but quite a different matter to do it.
Whoever neglects old friends for the sake of new deserves what e gets if he loses both
Every man carries two bags about him, one in front and one behind, and both are full of faults. The bag in front contains his neighbors' faults, the one behind his own. Hence it is that men do not see their own faults, but never fail to see those of others.
Most arguments are useless.