I wanted to add my 'ditto' to 'the means of grace'. There is no way to overcome our sins without grace; and God is gracious -- and has been so abundantly good as to tell us where to seek and find Him. I think this is the most important thing; not that fighting in other practical ways isn't important. But as Ant said, fighting in our strength is never going to win.

It's also important because seeking God in His appointed means first and foremost changes our focus from merely fighting sin to (again as Ant referenced) pleasing God.

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Heidi
Indianapolis, Indiana

After two days, he will revive us; on the third day he will raise us up, that we may live before him.
Let us know; let us press on to know the LORD; his going out is sure as the dawn; he will come to us as the showers, as the spring rains that water the earth.