Romans 7:20 KJV
Now if I do that I would not, it is no more I that do it, but sin that dwelleth in me.
Romans 7:20, King James Version
In context
19 For the good that I would I do not: but the evil which I would not, that I do.
20 Now if I do that I would not, it is no more I that do it, but sin that dwelleth in me.
21 I find then a law, that, when I would do good, evil is present with me.