Romans 6:13 Niv

Romans 12:1 NIV
Therefore, I urge you, brothers and sisters, in view of God’s mercy, to offer your bodies as a living sacrifice, holy and pleasing to God—this is your true and proper worship.

Romans 6:16 NIV
Don’t you know that when you offer yourselves to someone as obedient slaves, you are slaves of the one you obey —whether you are slaves to sin, which leads to death, or to obedience, which leads to righteousness?