1 Petrus 2:9

2:9 But you are a chosen race, a royal priesthood, a holy nation, a people of his own, so that you may proclaim the virtues ¹  of the one who called you out of darkness into his marvelous light.

1 Petrus 3:15

3:15 But set Christ ²  apart ³  as Lord in your hearts and always be ready to give an answer to anyone who asks about the hope you possess. ⁴ 

[2:9]  ¹ sn This verse contains various allusions and quotations from Exod 19:5-6; 23:22 (LXX);