2 Samuel 18:3

It is better that thou succour us out of the city. David thought it to be his duty to go out with the men who were risking their lives in his cause, but they felt not only how painful it would be for a father to fight against his son; but also that there would certainly be a picked body of men who would try to bring the battle to a rapid end by slaying David. But while they partly urge personal considerations, their chief argument is that David would be of more use if, posted with a body of troops at the city, he held himself in reserve to succour any division that might be in danger. And David, seeing how earnest their wish was, yielded to this representation, feeling that it would give steadiness to his men if they knew that so experienced a general was watching the fight, and was ready to succour them if they needed aid. As the people say that it would not matter "if half of us die," and that David "is worth ten thousand of us," Ewald draws the reasonable conclusion that their whole number was about twenty thousand men. The Hebrew literally is, "For now ( 'attah ) as us are ten thousand," which might mean, "There are ten thousand such as we are, but no one like thee." But the Septuagint and Vulgate read, "But thou ( attah ) art as ten thousand of us." The Syriac, however, like the Hebrew, reads "now."