Joshua's concern for the honour of God, more than even for the fate of Israel, was the language of the Spirit of adoption. He pleaded with God. He laments their defeat, as he feared it would reflect on God's wisdom and power, his goodness and faithfulness.
We cannot at any time urge a better plea than this, Lord, what wilt thou do for thy great name? Let God be glorified in all, and then welcome his whole will.