James 4:10 (KJV)
"Humble yourselves in the sight of the Lord, and He shall lift you up."
Have you ever wondered what humility is all about? True humility is not thinking negatively of yourself. it is agreeing with what God says about you.
The Grace of God will exalt a person without inflating him and humble a person without debasing him. I am what I am because of Christ.
In this life, you are not going to be sinless, but as you deal with sin in your life, you can come closer to being free from sin. Sinless? No. Blameless? Yes. As you confess your sins, He is faithful and just to forgive you your sins - 1 John 1:9.
Do you have a concordance in your Bible? Do a study on the subject of "humility." Start with Philippians 2:5-11.