It is impossible to learn that which one thinks one already knows.
Just like it is hard to break your old habits, it is often difficult to learn new things because we think we already know it. Are you trying to discover new and better ways of being a Christian? Or do you think you already have it mastered?
His divine power has granted to us all things that pertain to life and godliness, through the knowledge of him who called us to his own glory and excellence….