'Everything In Subjection' in the Bible

For He [i.e., God] placed everything in subjection under His [i.e., Christ's] feet. But when God said, "Everything is in subjection [to Him]," it is clear that this did not include God [Himself], who placed everything in subjection to Him [i.e., Christ].

And God placed everything in subjection under His [i.e., Christ's] feet, and appointed Him to be head over all things to the church,