Some obscure sense told her that a few were getting out the fire doors, but let them.

But her sixth sense would not let her believe it.

A sixth sense can sometimes let you know when you're being looked at, and I didn't want to take the chance.

A sudden sense of profound relief let him know how much he had really been worrying about them.

No sense letting that all go to waste, he thought.

No sense letting the break go to waste, I thought.

HIS sense of honor would let him do no less.

Their sense of face would not let them admit it openly.

His sense of propriety wouldn't let him, uh, enter a woman.

Even so, common sense could not let it continue to molder.