Tradition
St. John Chrysostom
Homilies on First Corinthians
Homily 25 › 1 Corinthians 10:31
3. “Whether therefore you eat, or drink, or whatsoever ye do, do all to the glory of God.”
Perceivest thou how from the subject before him, he carried out the exhortation to what was general, giving us one, the most excellent of all aims, that God in all things should be glorified?
Source: Homilies on First Corinthians (New Advent)