Besides, for tyrants and imperial cities nothing is unreasonable if expedient, no one a kinsman unless sure; but friendship or enmity is everywhere a matter of time and circumstance.
-- Euphemus of Athens c.415 BC
I was minding my own business, just hanging about, when from nowhere a Common Hawaiian Fedora fluttered down to land on my head. "Fly away gentle fedora", I cried, "rejoin your flock on gusts of cliché and wafts of pineapple scent"; but alas, it remains, perched quietly there.