I do believe that repentance and godly sorrow over sin to be very important too. It can be hard to balance the two poles together, of having confidence in Christ as a new creation and also humbling ourselves before the Lord and repenting with godly sorrow... but they do not contradict each other; both are so true! Dad often quotes to us a saying from Charles Simmon, and I find it so true. Unfortunately I cannot quote it word for word because I can't remember it :). But it goes something like this: "The more we dig deeper down in repentance we will rise up in adoration to Him."
Well, I just wanted to share a quotation from the book, "Christ is All!" from pg. 59-60 that spoke to my heart and reminded me of the truth of trusting in Christ for everything. "He is the Rock, His work is perfect,"! I hope you will be blessed and challenged by it too. It actually is a letter. Here it is: