1 Peter 1:22; 1 Peter 3:4; 1 Peter 3:15

1 Peter 1:22

22 Since you have in obedience to the truth purified your souls for a sincere love of the brethren, fervently love one another from the heart,

1 Peter 3:4

4 but let it be the hidden person of the heart, with the imperishable quality of a gentle and quiet spirit, which is precious in the sight of God.

1 Peter 3:15

15 but sanctify Christ as Lord in your hearts, always being ready to make a defense to everyone who asks you to give an account for the hope that is in you, yet with gentleness and reverence;