Colossians 3:23

Whatsoever ye do, do it heartily, as to the Lord, and not to men;

Colossians 3:17

And whatsoever ye do in word or in deed, do all in the name of the Lord Jesus, giving thanks to God the Father through Him.

Ephesians 6:6-7

not with eye-service, as men-pleasers, but as servants of Christ, doing the will of God from the soul,

Romans 14:8

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

1 Peter 2:13

Submit yourself to every human ordinance, for the Lord's sake; whether to a king as supreme;

1 Peter 1:22

Having purified your souls in your obedience to the truth unto unfeigned brotherly love, love one another from the heart earnestly;

1 Peter 2:15

for so is the will of God, that by well-doing ye should put to silence the ignorance of foolish men;

Matthew 6:16

"And, when ye fast, be not as the hypocrites, of a sad countenance; for they disfigure their faces, that they may appear to men to fast. Verily I say to you, they receive their reward.

Romans 14:6

He that regards the day regards it to the Lord; and he that eats eats to the Lord, for he gives thanks to God; and he that eats not, to the Lord he eats not, and gives thanks to God.

Ephesians 5:22

the wives, to their own 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
And whatsoever ye do in word or in deed, do all in the name of the Lord Jesus, giving thanks to God the Father through Him.
1 Peter 1:22
Having purified your souls in your obedience to the truth unto unfeigned brotherly love, love one another from the heart earnestly;

As

Matthew 6:16
"And, when ye fast, be not as the hypocrites, of a sad countenance; for they disfigure their faces, that they may appear to men to fast. Verily I say to you, they receive their reward.
Romans 14:6
He that regards the day regards it to the Lord; and he that eats eats to the Lord, for he gives thanks to God; and he that eats not, to the Lord he eats not, and gives thanks to God.
Ephesians 5:22
the wives, to their own husbands, as to the Lord;
Ephesians 6:6
not with eye-service, as men-pleasers, but as servants of Christ, doing the will of God from the soul,
1 Peter 2:13
Submit yourself to every human ordinance, for the Lord's sake; whether to a king as supreme;