Many [there be] which say of my soul, [There is] no help for him in God. (b) Selah.
(b) Selah here signifies a lifting up of the voice, to cause us to consider the sentence as a thing of great importance.
Related Commentaries of Psalms 3:2
Psalms 3:2
2 Many there be which say of my soul, There is no help for him in God. Selah.