Romans 12:2
Stop living in accordance with the customs of this world, but by the new ideals that mold your minds continue to transform yourselves, so as to find and follow God's will; that is, what is good, well-pleasing to Him, and perfect.
Ephesians 4:17
So I mean this and now testify to it in the name of the Lord: You must now stop living as the heathen usually do, in the frivolity of their minds,
1 Peter 4:3-4
For the time that is past is enough for you to have accomplished what the heathen like to do, leading lives that are steeped in sensuality, lustful desires, drunkenness, carousing, revelry, dissipation, and idolatry that leads to lawlessness,