2 Kgs 5:15

וַיָּשָׁב֩ אֶל־אִ֨ישׁ הָאֱלֹהִ֜ים ה֣וּא וְכָֽל־מַחֲנֵ֗הוּ וַיָּבֹא֮ וַיַּעֲמֹ֣ד לְפָנָיו֒ וַיֹּ֗אמֶר הִנֵּה־נָ֤א יָדַ֨עְתִּי֙ כִּ֣י אֵ֤ין אֱלֹהִים֙ בְּכָל־הָאָ֔רֶץ כִּ֖י אִם־בְּיִשְׂרָאֵ֑ל וְעַתָּ֛ה קַח־נָ֥א בְרָכָ֖ה מֵאֵ֥ת עַבְדֶּֽךָ׃

Then Naaman and all his attendants went back to the man of God, stood before him, and declared, “Now I know for sure that there is no God in all the earth except in Israel. So please accept a gift from your servant.”