Matthew 23:18

You say again, 'Swear by the altar, and it means nothing; but swear by the gift upon it, and the oath is binding.'

Treasury of Scripture Knowledge

Summary

If a man sin against his neighbour, and an oath be laid upon him to make him swear, and the oath come before thine altar in this house;

The oath

Bible References

The oath

Matthew 23:18
You say again, 'Swear by the altar, and it means nothing; but swear by the gift upon it, and the oath is binding.'