And so, lastly, does the very name of "Catholic", which, not without reason, amid so many heresies, the Church has thus retained; so that, though all heretics wish to be called Catholics, yet when a stranger asks where the Catholic Church meets, no heretic will venture to point to his own chapel or house.
Saint AugustineWhat then is time? If no one asks me, I know what it is. If I wish to explain it to him who asks, I do not know.
Saint Augustine