It is one of the chief skills of the philosopher not to occupy himself with questions which do not concern him. Ludwig Wittgenstein
The philosopher has never killed any priests, whereas the priest has killed a great many philosophers. Denis Diderot
The various modes of worship which prevailed in the Roman world were all considered by the people as equally true; by the philosopher as equally false; and by the magistrate as equally useful. Edward Gibbon
If thou canst see sharp, look and judge wisely, says the philosopher. Marcus Aurelius
The beard does not make the philosopher. Italian Proverb
It is not the beard that makes the philosopher. English Proverb