Colossians 3:23

Whatever be your task, work at it heartily, as servants of the Lord and not of men;

Colossians 3:17

Indeed, whatever you say or do, let everything be done in dependence on the Lord Jesus, giving thanks in his name to God the Father.

Ephesians 6:6-7

instead of merely working when their eye is on you, like those who court human favour, do God's will from the heart like servants of Christ,

Romans 14:8

if we live, we live to the Lord, and if we die, we die to the Lord. Thus we are the Lord's whether we live or die;

1 Peter 2:13

Submit for the Lord's sake to any human authority; submit to the emperor as supreme,

1 Peter 1:22

Now that your obedience to the Truth has purified your souls for a brotherly love that is sincere, love one another heartily and steadily.

Matthew 6:16

When you fast, do not look gloomy like the hypocrites, for they look woebegone to let men see they are fasting; I tell you truly, they do get their reward.

Romans 14:6

the man who values a particular day does so to the Lord. The eater eats to the Lord, since he thanks God for his food; the non-eater abstains to the Lord, and he too thanks God.

Ephesians 5:22

Wives, be subject to your husbands as to the Lord,

Treasury of Scripture Knowledge

Summary

And whatsoever ye do, do it heartily, as to the Lord, and not unto men;

Bible References

Whatsoever

Colossians 3:17
Indeed, whatever you say or do, let everything be done in dependence on the Lord Jesus, giving thanks in his name to God the Father.
1 Peter 1:22
Now that your obedience to the Truth has purified your souls for a brotherly love that is sincere, love one another heartily and steadily.

As

Matthew 6:16
When you fast, do not look gloomy like the hypocrites, for they look woebegone to let men see they are fasting; I tell you truly, they do get their reward.
Romans 14:6
the man who values a particular day does so to the Lord. The eater eats to the Lord, since he thanks God for his food; the non-eater abstains to the Lord, and he too thanks God.
Ephesians 5:22
Wives, be subject to your husbands as to the Lord,
Ephesians 6:6
instead of merely working when their eye is on you, like those who court human favour, do God's will from the heart like servants of Christ,
1 Peter 2:13
Submit for the Lord's sake to any human authority; submit to the emperor as supreme,