All Scripture is inspired by God and is useful to teach us what is true and to make us realize what is wrong in our lives. It corrects us when we are wrong and teaches us to do what is right. God uses it to prepare and equip his people to do every good work.
Slaves must always obey their masters and do their best to please them. They must not talk back or steal, but must show themselves to be entirely trustworthy and good. Then they will make the teaching about God our Savior attractive in every way.
That’s why I take pleasure in my weaknesses, and in the insults, hardships, persecutions, and troubles that I suffer for Christ. For when I am weak, then I am strong.