The Mekhilta draws a profound contrast between human ability and divine power through the act of creation from earth. A human craftsman cannot form a living figure from dirt. He can shape clay into a vessel or mold mud into a brick, but he cannot breathe life into it. The "measure of flesh and blood," the inherent limitation of mortal beings, stops at the boundary between matter and life.
God, however, creates living beings from the earth itself. The proof comes from (Psalms 139:15): "I was wrought in secrecy, knit together in the recesses of the earth." The psalmist describes human formation as something that happens in the hidden depths of the earth, a poetic description of the womb but also an echo of the original creation of Adam, whom God fashioned from the dust of the ground.
The phrase "wrought in secrecy" is especially significant. Human creation occurs in hiddenness, in the enclosed darkness of the womb, away from all observation. No one witnesses the moment when cells become a person, when matter becomes life. This secrecy is itself a mark of divine power. God works in places no human eye can reach, performing acts no human hand can replicate.
The Mekhilta's comparison between human and divine making carries a theological message. The gap between Creator and creation is not one of degree but of kind. A skilled potter can shape earth into beautiful forms. But only God can shape earth into a being that breathes, thinks, speaks, and prays. The dust of the ground, in God's hands, becomes a living soul. In human hands, it remains dust.