כִּ֥י גָ֘בַ֤ר עָלֵ֨ינוּ ׀ חַסְדּ֗וֹ וֶֽאֱמֶת־יְהוָ֥ה לְעוֹלָ֗ם הַֽלְלוּ־יָֽהּ׃
For His mercy is great toward us; And the truth of the LORD endureth for ever. Hallelujah.
Read kabbalistic (mystical) interpretation of Psalms 117:2: and classical mystical sources.