Job 39:21
"He paweth in the valley, and rejoiceth in his strength: he goeth on to meet the armed men."
Cross References (ranked by relevance)
I hearkened and heard, but they spake not aright: no man repented him of his wickedness, saying, What have I done? every one turned to his course, as the horse rusheth into the battle.
Thus saith the LORD, Let not the wise man glory in his wisdom, neither let the mighty man glory in his might, let not the rich man glory in his riches:
Then were the horsehoofs broken by the means of the pransings, the pransings of their mighty ones.
And when the Philistine looked about, and saw David, he disdained him: for he was but a youth, and ruddy, and of a fair countenance.
Which is as a bridegroom coming out of his chamber, and rejoiceth as a strong man to run a race.
The horse is prepared against the day of battle: but safety is of the LORD.