Matthew 23:18
When you swear by an altar, you owe nothing. When you swear by the gift left on the altar, you are obligated.
Treasury of Scripture Knowledge
Summary
And, Whosoever shall swear by the altar, it is nothing; but whosoever sweareth by the gift that is upon it, he is guilty.
General references
Bible References
General references
Matthew 12:6
I say to you, one greater than the Temple is here.