John 15:2-3
every branch in me that beareth not fruit He taketh away, and every one that beareth fruit, He purgeth, that it may bear more fruit.
John 17:17
Sanctify them by thy truth: thy word is truth.
John 17:19
And for their sakes I sanctify myself, that they also may be sanctified through the truth.
1 Corinthians 1:30
But ye are of Him in Christ Jesus, who from God is made unto us wisdom, and righteousness, and sanctification, and redemption:
Hebrews 9:14
how much more shall the blood of Christ, who through the eternal Spirit offered himself spotless to God, purify your conscience from dead works, that ye may serve the living God?