Genesis 14:19-20
Genesis 14:19-20 AMP
And Melchizedek blessed Abram and said, “Blessed (joyful, favored) be Abram by God Most High, Creator and Possessor of heaven and earth; And blessed, praised, and glorified be God Most High, Who has given your enemies into your hand.” And Abram gave him a tenth of all [the treasure he had taken in battle]. [Heb 7:1-10]