A.T. Robertson Commentary Luke 4:3

"And the devil said unto him, if thou art the Son of God, command this stone that it become bread." — Luke 4:3 (ASV)

The Son of God (υιος του θεου). No article as in Mt 4:3. So refers to the relationship as Son of God rather than to the office of Messiah. Manifest reference to the words of the Father in Lu 3:22. Condition of the first class as in Matthew. The devil assumes that Jesus is Son of God.

This stone (τω λιθω τουτω). Perhaps pointing to a particular round stone that looked in shape and size like a loaf of bread. Stanley (Sinai and Palestine, p. 154) on Mt. Carmel found crystallizations of stones called "Elijah's melons." The hunger of Jesus opened the way for the diabolic suggestion designed to inspire doubt in Jesus toward his Father. Matthew has "these stones."

Bread (αρτος). Better "loaf." For discussion of this first temptation see on Mt 4:3f. Jesus felt the force of each of the temptations without yielding at all to the sin involved. See discussion on Matthew also for reality of the devil and the objective and subjective elements in the temptations. Jesus quotes De 8:3 in reply to the devil.