 And subduing them to his will. Of strengthening them against temptations and corruptions. Of building them up in grace. And here's 1 Thessalonians 3.13. And establishing their hearts in holiness. So the divines understand what Paul is saying here in verse 13. To depend on the ministry of apostolic teaching. The means, the way that God will make us holy. Is by the proclamation of the word of God.