My glory; my soul; or rather, my tongue, to which both singing and silence most properly belong. See Poole on "Psalms 7:5"; See Poole on "Psalms 16:9".
Related Commentaries of Psalms 30:12
Psalms 30:12
12 To the end that my glory may sing praise to thee, and not be silent. O LORD my God, I will give thanks unto thee for ever.