That the Son is obedient to the will and commandment of the Father, no more shews a difference in the two, than it would in a human father and son. But over and above this comes the consideration that Christ is not only God, and as such equal to the Father, but also man, and as such inferior to the Father.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).
Also cites: contr. Serm. Arrian. c. xi.