Exodus 21:2 in the King James Version
If thou buy an Hebrew servant, six years he shall serve: and in the seventh he shall go out free for nothing.
Context
1 “Now these are the ordinances which you shall set before them:
2 “If you buy a Hebrew servant, he shall serve six years, and in the seventh he shall go out free without paying anything.
3 If he comes in by himself, he shall go out by himself. If he is married, then his wife shall go out with him.