עַל־כֵּ֤ן ׀ אוֹדְךָ֖ בַגּוֹיִ֥ם ׀ יְהוָ֑ה וּלְשִׁמְךָ֥ אֲזַמֵּֽרָה׃
Therefore I will give thanks unto Thee, O LORD, among the nations, and will sing praises unto Thy name.
Read halakhic rulings (Jewish law) on Psalms 18:50: and classical halakhic sources.