וֶעֱז֣וּז נוֹרְאֹתֶ֣יךָ יֹאמֵ֑רוּ וגדולתיך [וּגְדוּלָּתְךָ֥] אֲסַפְּרֶֽנָּה׃
And men shall speak of the might of Thy tremendous acts; And I will tell of Thy greatness.
Read kabbalistic (mystical) interpretation of Psalms 145:6: and classical mystical sources.