to run with the hare and hunt with the hounds, to support both sides of an argument

(informal) every day, every blessed day

you learn something new every day, every day is a school day

(informal) on every street corner, at every corner; everywhere

all roads lead to Rome; there's more than one way to skin a cat

Alternative spelling of tous les 36 du mois

there's no accounting for taste; to each his own; beauty is in the eye of the beholder

workers of the world, unite!

all cats are gray in the dark

(figuratively) to put all one's eggs in one basket