That unclean hands can transmit germs is not news to anyone who attended nursery school.

That ruling was based on a legal doctrine known as "unclean hands".

But, if they seek to glorify God, let them not lift heavenward their unclean hands!

It is not touched with unclean hands, and is only kept in holy places.

My unclean hands and lips besmirch the purity of his love.

The person seeking enforcement is violating a similar restriction on his own land (unclean hands).

Through these practices, the left hand became known as the "unclean" hand.

It would never do to eat with an unclean hand.

The doctrine is similar to the defense of unclean hands, both of which are equitable defenses.

He sat upright, staring first at his unclean hands, then at the window.