2 John 1:8

Look to yourselves, that we may not lose the things which we have wrought, but may receive a full reward.

Revelation 14:13

And I heard a voice from heaven saying, Write: Henceforth blessed are the dead that die in the Lord; yes, says the Spirit, that they may rest from their labors; and their works follow them!

Treasury of Scripture Knowledge

Summary

Moreover by them is thy servant warned: and in keeping of them there is great reward.

Bible References

Keeping

2 John 1:8
Look to yourselves, that we may not lose the things which we have wrought, but may receive a full reward.
Revelation 14:13
And I heard a voice from heaven saying, Write: Henceforth blessed are the dead that die in the Lord; yes, says the Spirit, that they may rest from their labors; and their works follow them!