Here is a list of phrases, sayings and common expressions starting with B.
Banging your head against a brick wall
barking dogs seldom bite
beauty is in the eye of the beholder
beauty is only skin deep
beggars can't be choosers
behind every great man there's a great woman
better late than never
better safe than sorry
better the devil you know than the devil you don't
better to have loved and lost than never to have loved at all
beware the ides of march
birds of a feather flock together
bite the hand that feeds you
blessed are the peacemakers
blood is thicker than water
born with a silver spoon in his mouth
bury your head in the sand
by the skin of your teeth
by the sweat of his brow