Romans 8:12:

Therefore, brethren, we are debtors, not to the flesh, to live after the flesh.

See also:

Who You Are and What You Have
Dealing with Fear
Beating Ministerial Jealousy and Insecurity
Can I Believe for “Supernatural Weight Loss?”
Can I Get Healed of Alcoholism, Drug Abuse, Pornography and Homosexuality?
Objection: Jesus Redeemed Us from Disease, But the Fulfillment of That Won’t Come Until We Get Glorified Bodies
Mistake: Carnality