Deuteronomy 23:25

A Conservative Version

When thou come into thy neighbor's standing grain, then thou may pluck the ears with thy hand, but thou shall not move a sickle to thy neighbor's standing grain.

Cross References

Mark 2:23

And it came to pass, that he was passing through the grain fields on the Sabbath day, and his disciples began to make a path while plucking the ears.

Deuteronomy 23:24

When thou come into thy neighbor's vineyard, then thou may eat thy fill of grapes at thine own pleasure, but thou shall not put any in thy vessel.