the New York Bible Society asked Theodore Roosevelt to inscribe a message in the pocket New Testament that each of the soldiers would be given. The great man happily complied. And he began by giving a striking Biblical call for a life of balance, what he called Micah mandate."He has shown you, O man, what is good and what the Lord requires of you, but to do justice and to love mercy, and to walk humbly with your God” Micah 6:8
Saying that the whole teaching of the New Testament is actually foreshadowed in Micah’s verse, he exhorted the men to "lead the world in both word and deed through unimpeachable moral uprightness.”

In his brief message to the soldiers he explained, “Do justice, and therefore fight valiantly against those that stand for the reign of Moloch and Beelzebub on this Earth. Love mercy, treat your enemies well, succor the afflicted, treat every women as if she were your sister, care for the little children, and be tender with the old and helpless. Walk humbly, you will do so if you study the life and teachings of the Saviour, walking in His steps.”

"A thorough knowledge of the Bible is worth more than a college education."

“The eighth commandment says, ‘Thou shalt not steal.’ It does not say ’Thou shalt not steal from the rich,’ and it does not say ’Thou shalt not steal from the poor man.’ It reads simply and plainly 'Thou shalt not steal.'

”Fear God in the true sense of the word means to love God, respect God, honor God, and all of this can only be done by loving your neighbor, treating him justly and mercifully and in all ways endeavoring to protect him from injustice and cruelty, thus obeying, as far as our human frailty will permit, the great immutable law of righteousness.”

“It does so rest my soul to come into the house of the Lord and worship, and to sing and to mean it, the Holy, Holy, Holy, Lord God Almighty, and to know that He is my Father and takes me up in His life and plans, and to commune personally with Christ. I am sure I get a wisdom not my own, and superhuman strength, for fighting the moral evils I am called to confront.”
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Theodore Roosevelt knew Biblical Greek!

When Theodore Roosevelt was president of the United States, he went to a Dutch Reform Church in Washington. The pastor spoke in German and was speaking on charity from 1 Cor 13.
After the message was over, Theodore Roosevelt went up to the pastor privately and showed him from the Greek text that the word “charity” was “love.”

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Theodore Roosevelt on "going to church"

“On Sunday, go to church. Yes, I know all the excuses. I know that one can worship the Creator and dedicate oneself to good living in a grove of trees, or by a running brook, or in one's own house, just as well as in Church.
“ But I also know as a matter of cold fact that the average man does not thus worship or thus himself. If he stays away from Church, he does not spend his time in good works or lofty meditation.
“ He looks over the colored supplement of the newspaper, he yawns, and he finally seeks relief from the mental vacuity of isolation by going where the combined mental vacuity of many partially relieves the mental vacuity of each particular individual.”
– Theodore Roosevelt, The Ladies Home Journal, Oct 1913

“Every thinking man, when he thinks, realizes that the teachings of the Bible are so interwoven and entwined with our whole civic and social life that it would be literally impossible for us to figure ourselves what that life would be if these standards were removed. We would lose almost all the standards by which we now judge both public and private morals, all the standards which we, with more or less resolution, strive to raise ourselves.”

Theodore Roosevelts published works were found to contain over 4,200 Biblical images, inferences, and quotations. His unpublished letters contained thousands more.
[James Lever, "The Roosevelt Mythos" 1923. p 191]

In 1917, when American troops were preparing to sail across the seas in order to take to the battlefields of France and Belgium in the first World War,