Adam Clarke's Commentary on the Bible - Genesis 14:20
And he gave him tithes - A tenth part of all the spoils he had taken from the confederate kings. These Abram gave as a tribute to the most high God, who, being the possessor of heaven and earth, dispenses all spiritual and temporal favors, and demands the gratitude, and submissive, loving obedience, of all his subjects. Almost all nations of the earth have agreed in giving a tenth part of their property to be employed in religious uses. The tithes were afterwards granted to the Levites for... read more
Adam Clarke's Commentary on the Bible - Genesis 14:19
And he blessed him - This was a part of the priest's office, to bless in the name of the Lord, for ever. See the form of this blessing, Numbers 6:23-26 ; and for the meaning of the word to bless, see Genesis 2:3 ; (note). read more