Isaiah 1:16; Isaiah 4:4

Isaiah 1:16

16 Wash you, make you clean; put away the evil of your doings from before mine eyes; cease to do evil;

Isaiah 4:4

4 When the Lord shall have washed away the filth of the daughters of Zion, and shall have purged the blood of Jerusalem from the midst thereof by the spirit of judgment, and by the spirit of burning.