In all affairs it's a healthy thing now and then to hang a question mark on the things you have long taken for granted.
-- Bertrand Russell AA

No man is exempt from saying silly things; the mischief is to say them deliberately.
-- Michel de Montaigne AA

There is absolutely no inevitability as long as there is a willingness to contemplate what is happening.
-- Marshall McLuhan AA

One of the lessons of history is that nothing is often a good thing to do and always a clever thing to say.
-- Will Durant AA