Q4: How and why did God create us?
ANSWER: God created us male and female in his own image to know him, love him, live with him, and glorify him. And it is right that we who were created by God should live to his glory.
One need not look far to encounter the ongoing debate between rival accounts of the origin of matter and life. And if you do so, you'll discover yourself quickly buried in technical questions of the fossil record, sedimentary rock and Carbon 14 dating. But these (largely) scientific debates can obscure a more fundamental philosophical, theological and moral question regarding the basic dignity and significance of human beings.
Christianity teaches that each man and each woman possesses infinite worth and dignity, because each of us is God's handiwork and bears His image. We carry the imago Dei. In other words, each one of us possesses moral, spiritual and intellectual capacities that "image" those of God Himself. This is a matter of enormous moral significance. For if each human being bears the very image of God Himself, and therefore possesses literally infinite dignity and worth, then we truly must love our neighbor. In so doing, we love God as well. As the Apostle John writes, "If anyone says 'I love God,' and hates his brother, he is a liar; for he who does not love his brother whom he has seen cannot love God whom he has not seen. And this commandment we have from Him: whoever loves God must also love his brother."
In our increasingly secular age, atheistic philosophers search for an alternative, naturalistic foundation upon which to establish the dignity of every human being. But of course that search must ultimately prove fruitless, because absent the grant of the Divine image from the Creator, we can say little more than that human beings are "the smartest monkeys." If that is the case, then Princeton's Peter Singer rightly rejects the notion of human dignity altogether, and we can begin the conversation about permissible infanticide and when we ought to prioritize animal rights over human rights.
You see, the debate about God's existence and sovereignty over Creation ultimately has import far beyond scientific questions regarding the mechanics of the world's incredible biodiversity. It actually drives to the heart of the deepest moral, philosophical and theological questions we can raise about ourselves. Do I matter? Is my life worth something? Am I important? Am I loved? Scripture answers these questions with a resounding "Yes!" Each of us bears God's image, imprinted upon our very souls. And the only adequate response is a posture of gracious gratitude to our Maker and an attitude of generous love for our neighbor.
So God created man in his own image, in the image of God he created him; male and female he created them.