Books and harlots have their quarrels in public.
Walter Benjamin (1892-1940) German philosopher.
It is not he who gains the exact point in dispute who scores most in controversy -- but he who has shown the better temper.
Samuel Butler (1612-1680) British poet and satirist.
A philosopher who is not taking part in discussions is like a boxer who never goes into the ring.
Ludwig Wittgenstein (1889-1951) Austrian-British philosopher.