oh, it is simple and straightforward, but not many teachers get so far(who knows what law frees a man from the law of sin and death? according to Scripture) .....
here is a few paragraphs to illustrate>
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May I ask, does anybody need to hold onto the earth's gravitational force? Does someone need to pray that this force will quickly pull things down? No, there is no need to pray, for the earth most spontaneously attracts things downward. It is a law. All one needs to do is to remove his hand, to not purposely hold onto things. When the will is not working, then the law is manifested. When the will is not interfering, the law operates. In a similar way, the Spirit of the Lord in us does not need our help. If you are afraid that the Spirit of the Lord in you may not be responsible and so you rush to help when temptation comes, it shows that you have not seen that the Spirit of the Lord in you is a law.
The law of gravity does not depend on anyone believing in it or even understanding it. It's force remains constant no matter what we think , believe or understand about it. Have you ever been setting in a chair and get concerned that you might float up to the ceiling in your home? Have you even made any efforts to keep yourself from floating away? Of course not. As long as we live on earth, will live under its power, influence and force. The only escape from gravity would be in outer space. In space you would need to make efforts to stay in a chair and need to be concerned about floating away.
Now if you are not born again, you are now living under the power, influence and force of the law of sin and of death. Like the law of gravity it does not depend on anyone believing in it or even understanding it. It is fact. It is not that I sin accidentally or occasionally; it is not that I sometimes sin and sometimes do not; sinning is a law to me, for I constantly sin. Because this occurs all the time, I know it is a law. Whenever I would do good, evil is present. When Paul's eyes were opened to this, he realized that all his own efforts were futile. What had he tried? He had tried to do good. He had thought his will could overcome sin, not knowing that no will can ever overcome sin. But as soon as he saw sin as a law, not just a conduct, he immediately conceded that to will was useless. The will could never conquer the law. This, indeed, was a great discovery, a very great revelation.
When through God's mercy anyone is brought to see that sin is a law, he instantly knows how ineffective any method of overcoming sin with the will must be. Before he sees this, he is always making resolutions. When tempted, he bites his teeth and determines to overcome, but eventually he fails. The second time he is tempted he surmises that his first resolution was not strong enough, so this time he makes a firmer resolution to not sin again for any reason. But let me tell you, however strong his resolution is, he still fails again. He may yet conclude that something is wanting in his resolution, so when again tempted, he once more resolves before God and asks the Lord to help him. Since he is not sure of his resolution, he prays, "O Lord, please have mercy on me. Help me that I may not sin this time." After he gets up from his knees, he once again fails. He wonders why he cannot overcome sin by making resolutions. The answer is that it is because no amount of will effort can ever conquer a law.
I do hope that you will be clear on the nature of sin. If you see this law, you will be delivered from many hardships and sorrows. If you are willing to accept God's Word, you will know that sin is a law and that you cannot overcome it with your will......"
(no one ever has except Jesus, and He simply obeyed His Father in all things)