Reference for Psalms 137:1

עַ֥ל נַהֲר֨וֹת ׀ בָּבֶ֗ל שָׁ֣ם יָ֭שַׁבְנוּ גַּם־בָּכִ֑ינוּ בְּ֝זָכְרֵ֗נוּ אֶת־צִיּֽוֹן׃

By the rivers of Babylon, There we sat down, yea, we wept, When we remembered Zion.