John Gills Exposition of the Bible Commentary - 1 Samuel 17:22
And David left his carriage in the hand the keeper of the carriage ,.... That is, he left load of provisions he brought with him in the hand of the keeper of the bag and baggage of the army, their clothes, and such like things; not having an opportunity to deliver them to his brethren, who were just going to engage in battle: and ran into the army ; which showed the valour and courage of David, who chose rather to expose himself in battle, than to abide with the keeper of the carriages: ... read more
Matthew Henry's Complete Commentary - 1 Samuel 17:12-30
Forty days the two armies lay encamped facing one another, each advantageously posted, but neither forward to engage. Either they were parleying and treating of an accommodation or they were waiting for recruits; and perhaps there were frequent skirmishes between small detached parties. All this while, twice a day, morning and evening, did the insulting champion appear in the field and repeat his challenge, his own heart growing more and more proud for his not being answered and the people of... read more