וַֽיְבָרְכֵ֖הוּ וַיֹּאמַ֑ר בָּר֤וּךְ אַבְרָם֙ לְאֵ֣ל עֶלְי֔וֹן קֹנֵ֖ה שָׁמַ֥יִם וָאָֽרֶץ׃
And he blessed him, and said: ‘Blessed be Abram of God Most High, Maker of heaven and earth;
Read kabbalistic (mystical) interpretation of Genesis 14:19: and classical mystical sources.