I Peter 1:2, 14-15, 22
I Peter 1:14-15 NKJV
as obedient children, not conforming yourselves to the former lusts, as in your ignorance; but as He who called you is holy, you also be holy in all your conduct
I Peter 1:22 NKJV
Since you have purified your souls in obeying the truth through the Spirit in sincere love of the brethren, love one another fervently with a pure heart