Isaiah 1:16-17 King James Version (KJV)
16 Wash you, make you clean; put away the evil of your doings from before mine eyes; cease to do evil;
17 Learn to do well; seek judgment, relieve the oppressed, judge the fatherless, plead for the widow.
Isaiah 1:16-17 New International Version (NIV)
16 Wash and make yourselves clean.