When I was a kid, my friends and I would say things like, "My dad's bigger than your dad," and we'd banter back and forth. David essentially did the same thing: in the Psalms, he frequently declared that in comparison to any other gods, his God—Yahweh—was bigger.

Just how big and powerful is God? Well, He's powerful enough to create everything in the universe and big enough to care for everything in your life. It's good to get a refresher about the awesomeness and magnitude of God. Looking specifically at Psalm 139:13-18, let's consider three things David told us about the greatness of God.

First, God's work is marvelous: "Marvelous are Your works, and that my soul knows very well" (v. 14). God is not weak; He operates at full power. Do you know that? Do you really know that your God can do everything? If you do, why not learn to say that more often? As you go through your day and notice the work of God, why not pause to actually articulate that? "Marvelous are Your works." I think if we learn to praise the Lord on a daily basis, it keeps our hearts soft.

The second thing David would have us know is that God's workmanship is meticulous. "For You formed my inward parts; You covered me in my mother's womb. I will praise You, for I am fearfully and wonderfully made" (vv. 13-14). It's interesting to me that of all the examples in creation David could have used to show how big and great and powerful God is, he didn't go to the stars or the heavens. Rather, he pointed inward to the dark womb holding a developing child.

Let's follow it through: "My frame was not hidden from You, when I was made in secret, and skillfully wrought in the lowest parts of the earth. Your eyes saw my substance, being yet unformed. And in Your book they all were written, the days fashioned for me, when as yet there were none of them" (vv. 15-16). A lot of people in our culture aren't really happy with their body, but David would say that you are marvelous. And you are—you're the crown of God's creative genius. You were once a speck, then you became an embryo and later on a fetus. And then you were born and grew and developed, and here you are today. David's point is that God has been superintending your development since those early stages, and it's not going to stop now.

This leads to the third great truth: God's wisdom is matchless wisdom: "How precious also are Your thoughts to me, O God! How great is the sum of them! If I should count them, they would be more in number than the sand; when I awake, I am still with You" (vv. 17-18). What stirred David more than his knowledge of God was God's knowledge and care of him.

I'll tell you what this truth has done for me. Number one, it produces a sense of purpose. Knowing that this incredible God superintended your development and watches over you now should fill you with a sense of purpose. Number two, it fills me with faith, because if God's that big and that powerful and that meticulous, He knows my need right now, and I can trust every bit of my life, my future, my misery, and my problems to Him. Third, this fills me with a sense of responsibility. If God does have a purpose and I can trust Him with everything, then I want to make sure I understand what His will is for my life and walk in it every day.

So, how big is your God? How powerful is your God? Is He big enough to take care of everything and anything in your life? I pray that we would live our days with that sense of confidence in Him—not because of who we are, but because of how mighty He is.