" We are social creatures; we will be miserable if we try to cut off contact with other people. Therefore, if what we seek is tranquility, we should form and maintain relations with others. In doing so, though, we should be careful about whom we befriend. We should also, to the extent possible, avoid people whose values are corrupt, for fear that their values will contaminate ours. • "

― William B. Irvine , A Guide to the Good Life: The Ancient Art of Stoic Joy