Colossians 3:23

Whatever ye do, do it from the heart, as to the Lord, and not to men,

Colossians 3:17

and whatever ye do, in word or deed, do all in the name of the Lord Jesus, giving thanks to God, the Father, through him.

Ephesians 6:6-7

not with eyeservice as menpleasers, but as bondservants of Christ, doing the will of God from the heart;

Romans 14:8

For if we live, we live to the Lord; and if we die, we die to the Lord. Whether then we live or die, we are the Lords.

1 Peter 2:13

Submit yourselves therefore to every human institution for the Lords sake; whether to the king, as supreme;

1 Peter 1:22

Seeing ye have purified your souls in obeying the truth unto unfeigned brotherly love, love one another from the heart, fervently;

1 Peter 2:15

For so is the will of God, that with welldoing ye may put to silence the ignorance of foolish men;

Matthew 6:16

Moreover, when ye fast, be not, as the hypocrites, of a sad countenance; for they disfigure their faces, that they may appear to men to be fasting. Truly do I say to you, They have received their reward.

Romans 14:6

and he that regardeth not the day, to the Lord he doth not regard it. And he that eateth, eateth to the Lord, for he giveth thanks to God; and he that doth not eat, to the Lord he doth not eat, and giveth thanks to God.

Ephesians 5:22

Wives, submit yourselves to your 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 whatever ye do, in word or deed, do all in the name of the Lord Jesus, giving thanks to God, the Father, through him.
1 Peter 1:22
Seeing ye have purified your souls in obeying the truth unto unfeigned brotherly love, love one another from the heart, fervently;

As

Matthew 6:16
Moreover, when ye fast, be not, as the hypocrites, of a sad countenance; for they disfigure their faces, that they may appear to men to be fasting. Truly do I say to you, They have received their reward.
Romans 14:6
and he that regardeth not the day, to the Lord he doth not regard it. And he that eateth, eateth to the Lord, for he giveth thanks to God; and he that doth not eat, to the Lord he doth not eat, and giveth thanks to God.
Ephesians 5:22
Wives, submit yourselves to your own husbands, as to the Lord;
Ephesians 6:6
not with eyeservice as menpleasers, but as bondservants of Christ, doing the will of God from the heart;
1 Peter 2:13
Submit yourselves therefore to every human institution for the Lords sake; whether to the king, as supreme;