Psalm 139:13–16: Formed in Secret by God
Psalm 139:13–16 locates a person's worth in God's own crafting, done in secret where no human eye could see, and answers the fear of being unseen or badly made with the Maker's knowledge rather than the creature's feelings.
Omniscience: what and how does God know: A Biblical Guide
Isaiah 40:12–14 pictures God measuring the waters, weighing the mountains, and needing no counselor. His knowledge is the Maker's knowledge of what he designed, held without a teacher and without correction.