I went to a concert tonight. I went to worship, to enjoy the music, to be in the room with God's people. But somewhere between the last song and my pastor's closing words, something landed in my heart that I'm still pondering.

“Be filled with the Spirit.”

It sounds simple. It sounds like something I already know. But here's what hit me tonight — being filled isn't just a spiritual achievement to pursue. It's a law of capacity. You are always filled with something. The question is never “are you full?” The question is always “full of what?”

Ephesians 5:18 doesn't say try to be filled. It says “be filled” — and in the original language it's a continuous command. Keep being filled. Stay filled. Because the moment you stop being actively filled with the Spirit, something else moves in. Empty space doesn’t stay empty for long. Something always rushes in to fill it.

That something doesn't announce itself. It doesn't knock on the door and say “excuse me, I'm here to take God's place.” It's just the scroll you pick up first in the morning. It's the stress you build up inside instead of bringing to prayer. It's the aspirations that stopped being surrendered and started being served. It's not always darkness. Sometimes it's just “busyness” of life. Sometimes it's good things that quietly became first things.

And before long, you're running on something other than Him. And you can feel it — that low-grade emptiness, that striving without peace, that doing without being.

Jesus said in John 7:37 — “If any man thirst, let him come unto me and drink." The condition is thirst. Which means the first thing I have to ask myself is whether I even want to be filled. Whether I've stayed hungry. Whether I've protected that hunger or slowly, quietly fed it other things until it stopped growling. And you begin to wonder where the thirst and hunger for righteousness went.

God reminded me that worship keeps you hungry. The Word keeps you filled. Gratitude keeps you oriented toward the Giver instead of the gifts. These aren't the rewards of being filled with the Spirit — they're the pathway back to it!

I don't want to just be busy for God. I don't want to build things in His name while running on empty. I want to be so full of Him that what spills out of me when life bumps into me is actually Him — not my opinions, not my stress, not my aspirations dressed up in scripture.

Tonight was a reminder. A gentle, firm, loving reminder.

“Be filled.” Keep being filled. Guard what fills you.

Because something always will.

Michael McClanahan is the founder of The Forge — a Kingdom-first AI company building faithful tools for the Church. He lives in Wilson, NC with his wife Tonia.