I don't get this flesh bit.
When Paul talks about it in Romans 7.
I have spent many many hours reading, researching from birth sides and I still don't get it.
Romans 7:17-20
17 But now, it is no longer I who do it, but sin that dwells in me. 18 For I know that in me (that is, in my flesh) nothing good dwells; for to will is present with me, but how to perform what is good I do not find. 19 For the good that I will to do, I do not do; but the evil I will not to do, that I practice. 20 Now if I do what I will not to do, it is no longer I who do it, but sin that dwells in me.
It really does my head in.