Some say this, and others say that.

They say that he is very rich.

It goes without saying that nobody can come between us.

Say 'ahhh'.

It's important to give everyone a chance to have their say, not just those in positions of power.

Say, I heard you're planning a trip to Japan. When are you going?

From the way they look, I would say that they failed.

Off hand , I'd say her problem is shyness.