Is this request addressed to the humble? If so it is most fitting. Who can make God great but those who feel themselves to be little? He bids them help him to make the Lord's fame greater among the sons of men. Jehovah is infinite, and therefore cannot really be made greater, but his name grows in manifested glory as he is made known to his creatures, and thus he is said to be magnified. It is well when the soul feels its own inability adequately to glorify the Lord, and therefore stirs up others to the gracious work; this is good both for the man himself and for his companions. No praise can excel that which lays us prostrate under a sense of our own nothingness, while divine grace like some topless Alp rises before our eyes, and sinks us lower and lower in holy awe. “Let us exalt his name together.” Social, congregated worship is the outgrowth of one of the natural instincts of the new life. In heaven it is enjoyed to the full, and earth is likest heaven where it abounds.
C.H. Spurgeon, the Treasury of David