יָ֘שִׂ֤ישׂוּ וְיִשְׂמְח֨וּ ׀ בְּךָ֗ כָּֽל־מְבַ֫קְשֶׁ֥יךָ יֹאמְר֣וּ תָ֭מִיד יִגְדַּ֣ל יְהוָ֑ה אֹֽ֝הֲבֵ֗י תְּשׁוּעָתֶֽךָ׃
Let all those that seek Thee rejoice and be glad in Thee; let such as love Thy salvation say continually: 'The LORD be magnified.'
Read halakhic rulings (Jewish law) on Psalms 40:17 from the Mishneh Torah and classical halakhic sources, free online.