Charles H. Spurgeon on Psalms 148:11

Kings of the earth, and all people; princes. As kings and princes are blinded by the dazzling influence of their station, so as to think the world was made for them, and to despise God in the pride of their hearts, he particularly calls them to this duty; and, by mentioning them first, he reproves their ingratitude in withholding their tribute of praise when they are under greater obligations than others. As all men originally stand upon a level as to condition, the higher persons have risen, and the nearer they have been brought to God, the more sacredly are they bound to proclaim his goodness. The more intolerable is the wickedness of kings and princes who claim exemption from the common rule, when they ought rather to inculcate it upon others, and lead the way. He could have addressed his exhortation at once summarily to all men, as indeed he mentions people in general terms; but by thrice specifying princes he suggests that they are slow to discharge the duty, and need to be urged to it. —John Calvin.