So he learns the weakness and unprofitableness of the flesh. “I know,” he says, “that in me (that is, in my flesh) dwelleth no good thing.” He wants to do good but he lacks the power to perform aright. Still he gives up slowly the effort to force the flesh to behave itself and to be subject to the law. But the good he would do, he does not, and the evil he would not do, he does. This but establishes him in the conclusion already come to, that, “It is no more I that do it, but sin that dwelleth in