Deuteronomy 24:21

“When you gather the grapes of your vineyard, you shall not go over it again; it shall be for the alien, for the orphan, and for the widow.

Leviticus 19:9-10

Now when you reap the harvest of your land, you shall not reap to the very corners of your field, nor shall you gather the gleanings of your harvest.

Deuteronomy 24:19

When you reap your harvest in your field and have forgotten a sheaf in the field, you shall not go back to get it; it shall be for the alien, for the orphan, and for the widow, in order that the Lord your God may bless you in all the work of your hands.

Treasury of Scripture Knowledge

Summary

When thou gatherest the grapes of thy vineyard, thou shalt not glean it afterward: it shall be for the stranger, for the fatherless, and for the widow.

General references

Bible References

Gatherest

Deuteronomy 24:19
When you reap your harvest in your field and have forgotten a sheaf in the field, you shall not go back to get it; it shall be for the alien, for the orphan, and for the widow, in order that the Lord your God may bless you in all the work of your hands.
Leviticus 19:9
Now when you reap the harvest of your land, you shall not reap to the very corners of your field, nor shall you gather the gleanings of your harvest.

General references

Leviticus 23:22
When you reap the harvest of your land, moreover, you shall not reap to the very corners of your field nor gather the gleaning of your harvest; you are to leave them for the needy and the alien. I am the Lord your God.’”
Ruth 2:16
Also you shall purposely pull out for her some grain from the bundles and leave it that she may glean, and do not rebuke her.”