תְּהִלַּ֥ת יְהוָ֗ה יְֽדַבֶּ֫ר־פִּ֥י וִיבָרֵ֣ךְ כָּל־בָּ֭שָׂר שֵׁ֥ם קָדְשׁ֗וֹ לְעוֹלָ֥ם וָעֶֽד׃
My mouth shall speak the praise of the LORD; And let all flesh bless His holy name for ever and ever.
Read midrashic interpretation of Psalms 145:21: and classical rabbinic exegesis.