1 Peter 1:15
but just as he who called you is holy, you yourselves also be holy in all of your behavior,
World English Bible (Public Domain)
In context
Before · 1 Peter 1:13–14
13Therefore prepare your minds for action. Be sober, and set your hope fully on the grace that will be brought to you at the revelation of Jesus Christ— 14as children of obedience, not conforming yourselves according to your former lusts as in your ignorance,
15but just as he who called you is holy, you yourselves also be holy in all of your behavior,