Deuteronomy 24:21

'When thou cuttest thy vineyard, thou dost not glean behind thee; to the sojourner, to the fatherless, and to the widow, it is;

Leviticus 19:9-10

'And in your reaping the harvest of your land ye do not completely reap the corner of thy field, and the gleaning of thy harvest thou dost not gather,

Deuteronomy 24:19

'When thou reapest thy harvest in thy field, and hast forgotten a sheaf in a field, thou dost not turn back to take it; to the sojourner, to the fatherless, and to the widow, it is; so that Jehovah thy God doth bless thee in all the work of thy 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 thou reapest thy harvest in thy field, and hast forgotten a sheaf in a field, thou dost not turn back to take it; to the sojourner, to the fatherless, and to the widow, it is; so that Jehovah thy God doth bless thee in all the work of thy hands.
Leviticus 19:9
'And in your reaping the harvest of your land ye do not completely reap the corner of thy field, and the gleaning of thy harvest thou dost not gather,

General references

Leviticus 23:22
And in your reaping the harvest of your land thou dost not complete the corner of thy field in thy reaping, and the gleaning of thy harvest thou dost not gather, to the poor and to the sojourner thou dost leave them; I Jehovah am your God.'
Ruth 2:16
and also ye do surely cast to her of the handfuls -- and have left, and she hath gleaned, and ye do not push against her.'