“עִבְדוּ אֶת יְהֹוָה בְּיִרְאָה וְגִילוּ בִּרְעָדָה”
“Serve the Lord with fear, and rejoice with quaking.”
I am postponing my interpretation for this verse, because of two reasons:
There are so many beautiful commentaries for this verse among the Jewish sages writings, it will take me longer time to research it,
2) I am still not sure about the connection of this verse to the chapter.