John 15:3 Niv

1 Peter 1:22 NIV
Now that you have purified yourselves by obeying the truth so that you have sincere love for each other, love one another deeply, from the heart.

Ephesians 5:26 NIV
to make her holy, cleansing her by the washing with water through the word,

John 13:10 NIV
Jesus answered, “Those who have had a bath need only to wash their feet; their whole body is clean. And you are clean, though not every one of you.”

John 17:17 NIV
Sanctify them by the truth; your word is truth.