Ephesians 6:5,ephesians 6:6

1 Thessalonians 2:4 NIV
On the contrary, we speak as those approved by God to be entrusted with the gospel. We are not trying to please people but God, who tests our hearts.

Colossians 3:22-23 NIV
Slaves, obey your earthly masters in everything; and do it, not only when their eye is on you and to curry their favor, but with sincerity of heart and reverence for the Lord. Whatever you do, work at it with all your heart, as working for the Lord, not for human masters,