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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There is an old Persian fable of a hen, a mouse, and a rabbit who lived together in a little house in the woods. They shared all the work and lived in harmony. The chicken found the firewood, the mouse brought the water from a nearby brook, and the rabbit cooked the meals. Each did his work faithfully and contentedly.

In the most extreme moment of his life, when his entire household was threatened with annihilation, the Patriarch Jacob wrestled with a Man through an entire sleepless night. Somehow, after this astounding encounter, Jacob came to the realization that he had been wrestling with God, and face to face! Once again, the Lord God of heaven showed Himself as a human being to a man He loved; this time, for the purpose of rescuing, blessing, and preserving the man’s destiny.

As we continue our study of the men who followed David, let’s look at their boldness — the boldness of lions! We also need this boldness in the face of the enemy who is “like a lion”, himself….a roaring lion.

As we continue our study of the Mighty Men of David, another quality is worth pointing out — they were not procrastinators. Notice that these men decided to cross the Jordan river when it was at flood stage! They didn’t wait till the river receded, but rather, boldly crossed when it was the most dangerous!

As David grew in stature those who stood by him increased in number, devoting themselves to fight with him. Though it was a time of adversity for David, and a time of warfare, he found that there were many willing to join their lives to his; "...a brother is born for adversity"; and "there is a friend who sticks closer than a brother". Again we note that David's anointing and his character made him a friend to many...and many became his loyal friends.

A program by National Geographic gives a powerful illustration for us. In the great annual wildebeest migration in Serengeti National Park in Africa a giant herd, thousands of wildebeest, slowly move in groups across the plain. They are invariably followed by stalking lions. But the lions never attack the herd – they simply watch carefully for the stray wildebeest, either careless or seeking greener grass, who separates himself from the larger groups of animals. The isolated wildebeest will become the sudden prey of the lions who attack with lightening speed and ferocity.

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?