Tradition
St. John Chrysostom
Homilies on First Corinthians
Homily 39 › 1 Corinthians 15:27
7. “For He has put all things in subjection under His feet. But when He says, All things are put in subjection, it is manifest that He is excepted who did subject all things unto Him.”
Source: Homilies on First Corinthians (New Advent)