Commentary for Psalms 8:10

O Lord, our Sovereign Lord, How Excellent is Thy Name in all the earth ! – He returns once more to praise when he has finished the recital of the loving kindnesses which He (God) shews towards man, and the power He has given him over all; and because, though he is small and of no account in comparison with the great creatures on high, he is their equal in understanding. (And so) he returns to praise and says, O Lord, our Sovereign Lord, etc.