1 Samuel 7:9 - Matthew Poole's English Annotations on the Holy Bible

It might be a sucking lamb, though it was more than eight days old, and so that law, Exodus 23:19, was not violated. Offered it; either himself by Divine instinct, which was a sufficient warrant; or rather by a priest, as Saul is afterwards said to have offered, 1 Samuel 13:9. A burnt-offering wholly; burning all the parts of it, according to the law of the burnt-offerings; whereas in other offerings some parts were reserved. The Lord heard him, as appears by the effects, the following thunder, and the overthrow of the Philistines host.