Reference for Psalms 66:3

אִמְר֣וּ לֵ֭אלֹהִים מַה־נּוֹרָ֣א מַעֲשֶׂ֑יךָ בְּרֹ֥ב עֻ֝זְּךָ֗ יְֽכַחֲשׁ֖וּ לְךָ֣ אֹיְבֶֽיךָ׃

Say unto God: 'How tremendous is Thy work! Through the greatness of Thy power shall Thine enemies dwindle away before Thee.