At that moment in the Garden of Eden when the Master confronted the serpent-disguised enemy, He articulated a reality that all of us had better understand: within the cosmic arena there is a war going on between Satan and all that is evil and God and all that is good. Consider God’s words to Satan, found in Genesis 3:15:
I will put enmity between you and the woman,
and between your offspring and her offspring;
he shall bruise your head,
and you shall bruise his heel.
And thus began the unfolding drama of two lineages, two lines of descent, as they work their way down through the ages. One line, the line of perpetual evil, finds as its “father” Satan himself who works to deceive, demoralize and destroy. The other line, the line of promised intervention, finds as its “father” God, carries forth the hope of redemption through whomever it is that would “bruise [Satan’s] head.” Ultimately, after millenia of anticipation, this would be the One introduced by John the Baptist, the great and mighty Lord Jesus Christ.
Knowing this helps us with at least two things. First, all evil will find its demise because of Jesus Christ. He will crush Satan’s head. Secondly, in Jesus Christ we see the promises of God met in full. God keeps His promises . . . we can trust Him completely.