I've begun reading Peter's epistles...both of them in the last couple of days. What I love about Peter's letters is how straightforward and cutting to the core he is about being a Christian. One of the things he focuses on is the need to live "in Christ". Not religiously, not piously, using language to act one way or the other; but living in the "real" faith of following hard after Jesus. In that sense, he is talking about a walk in Christ that is lived without regrets. For example he gets to the core of growth in it's practical ways: 2 Peter 1:3, 5-8 NLT "By his divine power, God has given us everything we need for living a godly life. We have received all of this by coming to know him, the one who called us to himself by means of his marvelous glory and excellence. In view of all this, make every effort to respond to God’s promises. Supplement your faith with a generous provision of moral excellence, and moral excellence with knowledge,...