You are transformed as you renew your mind (Romans 12:2). There is no better source for mind-renewal than the word of God.
There are several methods and applications to root the word in your heart. You can read, pray, meditate, confess, incorporate into art, listen to, and sing songs about the word of God, but in all of those you must hold the word in your heart to give it time to root and bear fruit.
I want to focus on the power of confession in this article. For a little more context, I am discussing confession in light of renewing your mind and developing confidence in the area of your assignment from God.