Leviticus 15:5, 6
Anyone who touches his bed must wash his clothes and bathe with water, and he will be unclean until evening. . . .

Isaiah 22:14
The LORD of Hosts has revealed in my hearing: "Until your dying day, this sin of yours will never be atoned for, " says The Lord GOD of Hosts.

2 Corinthians 7:1
Therefore, beloved, since we have these promises, let us cleanse ourselves from everything that defiles body and spirit, perfecting holiness in the fear of God.

Hebrews 9:26
Otherwise, He would have had to suffer repeatedly since the foundation of the world. But now He has appeared once for all at the end of the ages to do away with sin by the sacrifice of Himself.

Revelation 7:14
"Sir, " I answered, "you know." So he replied, "These are the ones who have come out of the great tribulation; they have washed their robes and made them white in the blood of the Lamb.