There is nothing useless in nature; not even uselessness itself
Everyone calls barbarity what he is not accustomed to.
Each man calls barbarism whatever is not his own practice; for indeed it seems we have no other test of truth and reason than the example and pattern of the opinions and customs of the country we live in
It is a human tendency "to measure truth and error by our capacity."
No man is a hero to his own valet.
This notion [skepticism] is more clearly understood by asking "What do I know?"