Ephesians 5:17

My Notes

What Does Ephesians 5:17 Mean?

Ephesians 5:17 is a short, direct command: "Wherefore be ye not unwise, but understanding what the will of the Lord is." Paul frames wisdom and foolishness not as intellectual categories but as directional choices. Being unwise isn't about low IQ. It's about failing to understand God's will. And understanding God's will isn't passive — it's something you actively pursue.

The Greek word syniēmi — "understanding" — means to put things together, to grasp the significance, to comprehend. It's the same word used in Jesus' parable of the sower for the seed that falls on good ground — the one who hears the word and "understandeth it" (Matthew 13:23). Understanding here isn't just intellectual agreement. It's the deep comprehension that produces changed behavior. You get it, and it gets into you.

The context is Paul's instruction about walking carefully in evil days (verse 15-16) and not being drunk with wine but filled with the Spirit (verse 18). Understanding God's will is positioned as the alternative to both foolish living and substance-fueled escapism. The unwise person drifts through their days without discernment. The wise person actively seeks to know what the Lord wants — in this moment, in this situation, in this season — and aligns themselves accordingly. Wisdom in Paul's framework isn't about having all the answers. It's about being oriented toward the right question: what does the Lord want here?

Reflection Questions

• 1.Are you actively seeking to understand God's will, or have you been drifting on autopilot — and how can you tell the difference?
• 2.What's one decision in front of you right now where you need to ask 'what does the Lord want here?'
• 3.How much of God's will do you already know but aren't acting on — and what's holding you back?
• 4.What does the daily practice of understanding God's will look like for you — not as a one-time search, but as an ongoing orientation?

Devotional

"Be ye not unwise." That's Paul's way of saying: you have a choice about this. Foolishness isn't something that happens to you. It's something you settle into when you stop asking what God wants and start drifting on autopilot.

Most people don't choose foolishness dramatically. They choose it by default — by not choosing wisdom. By letting the days blur into each other without ever stopping to ask: what does God actually want from me right now? Not in the abstract. Not "what is God's will for my life" in the big-picture, existential sense. But what does He want today? In this conversation? In this decision? In this use of my evening?

Understanding the will of the Lord is an active pursuit. It requires attention, Scripture, prayer, and the willingness to adjust when you find out. It's not a mystical search for hidden signals. Most of God's will is already revealed — love well, speak truth, serve others, steward your life wisely, walk in the Spirit. The question isn't whether you can find God's will. It's whether you'll do what you already know it is. Wisdom isn't the person who has all the answers. It's the person who consistently asks the right question — what does the Lord want here? — and then has the courage to act on the answer.

Commentary

Trusted original commentary from respected historical Bible scholars and theologians.

Cross References

Related passages throughout Scripture