Either,
1. Of my coming; my father sent me on an errand. Or rather,
2. Of my thus speaking: is there not reason in what I say? Is this giant invincible? is our God unable to oppose him, and subdue him?
Related Commentaries of 1 Samuel 17:29
1 Samuel 17:29
29 And David said, What have I now done? Is there not a cause?