Have an Undivided Heart!

1 Chronicles 12:33 Of Zebulun, there were 50,000 who went out in the army, who could draw up in battle formation with all kinds of weapons of war and helped David with an undivided heart.

Colossians 3:23-25 Whatever you do, work at it with all your heart, as working for the Lord, not for human masters, since you know that you will receive an inheritance from the Lord as a reward. It is the Lord Christ you are serving.

50,000 soldiers from the tribe of Zebulun served in David’s army with UNDIVIDED (some translations: “not double-hearted”) hearts. Can you imagine a skilled army with this level of loyalty and devotion?

An undivided heart is one of the most powerful things on earth. Singleness of purpose will flow from the life of a person whose heart is undivided. Couples whose hearts are devoted to the Lord this way will preserve their marriages, no matter how difficult their issues and problems become. Intercessors whose hearts are filled with a single purpose will ultimately demolish terrible strongholds. Missionaries with vision and absolute loyalty, will be able to take entire nations for Christ. One woman will pour out ointment worth a year’s salary on her savior’s head. An undivided heart is one of the most powerful things on earth.

Yeshua (Jesus) inspires and empowers undivided hearts. If you really know him well, you will be very much like the men of Zebulun were in their loyalty toward David.

Check your heart. Is it inspired by the beauty, heroism, and love of the Messiah? If not, you just don’t know him well enough.

Copyright 1999-2026 Worthy Devotions. This devotional was originally published on Worthy Devotions and was reproduced with permission.

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Toward the end of 1941, as the second world war was raging in Europe, the Japanese ambassador was sent to Washington D.C. apparently seeking peace; however back in Japan, the emperor was planning the attack on Pearl Harbor. The Japanese empire sent their ambassador to D.C. as a distraction, so the sudden attack on Pearl Harbor took the United States completely by surprise.

The setting in 1 Samuel 14 is a war between the Israelites and the Philistines; and while King Saul relaxed under a pomegranate tree [1 Samuel 14:2], his son Jonathan along with his armor-bearer left the camp quietly to see if the Lord would fight the battle on their behalf. Jonathan had no idea what he would face out there, how many Philistines he would encounter, their battle skills or strategies. He only knew that if God delivered the enemy into his hands he would be victorious. And he was.

Between the years 1861-1865 the United States found itself in the midst of a bitter civil war over the issue of slavery, and several other serious disagreements. By the time the North won the war nearly 620,000 soldiers had perished. There were many in the North who were so embittered that the South had dragged them into such a deadly conflict that they wanted the South to pay dearly.

When I was growing up in the 1980's we had a rotary dial phone. You put your finger in a numbered spot on a circular dialer which clicked as it returned to its place and registered the 7 or 10 numbers you selected. It took a full 10 to 20 seconds to complete a call and was really annoying if the number had a lot of 8s or 9s! Then came touch-tone phones...

When Elianna was two years old, we wrote this devotional fifteen years ago that I believe is relevant especially as we celebrated Father's day around the world.

We have a cord-free, battery-free alarm clock -- we call her Elianna. Like clockwork, at 6:45 each morning our 2-year old daughter, Elianna wakes up and begins calling for us to come and greet her good morning. At this point, my wife and I have come to the conclusion that those 8-hour sleep nights we used to enjoy just aren't going to happen again --at least for a long, long time.

Just a few weeks prior to this incident, the disciples were trembling for their lives as their Lord was arrested and then crucified. They had all fled in the Garden of Gethsemane and then Peter, whose boldness was legendary, had denied him three times. The fact that they had been serving with Yeshua (Jesus) for three years, witnessing many miracles, including Peter’s amazing walk on the water…

While John warned against deception in the last days, and we should be mindful and discerning the times in which we live, keenly aware of the rise of the spirit of Antichrist -- he also gave us encouragement: "...you have overcome them, for He who is in you is greater than he who is in the world."