Matthew 7:12

Do to others whatever you would wish them to do to you; for that is the teaching of both the Law and the Prophets.

1 Thessalonians 4:6

None of you over-reaching or taking advantage of his Brother in such matters. 'The Lord takes vengeance' upon all who do such things, as we have already warned you and solemnly declared.

Treasury of Scripture Knowledge

Summary

And now it is true that I am thy near kinsman: howbeit there is a kinsman nearer than I.

Bible References

There is

Matthew 7:12
Do to others whatever you would wish them to do to you; for that is the teaching of both the Law and the Prophets.
1 Thessalonians 4:6
None of you over-reaching or taking advantage of his Brother in such matters. 'The Lord takes vengeance' upon all who do such things, as we have already warned you and solemnly declared.