The hardest thing is writing a recommendation for someone we know.
There's many a slip twixt the blueprints and a new house.
Classical music is the kind we keep thinking will turn into a tune.
Nothing is as irritating as the fellow who chats pleasantly while he's overcharging you.
Some folks seem to have descended from the chimpanzee much later than others.
Intelligent people are always on the unpopular side of anything.