Charles H. Spurgeon on Psalms 89:27

Also I will make him my firstborn. Among the kings the seed of David were to be most favoured and indulged with most love and paternal regard from God: but in Jesus we see this in the highest degree verified, for he has preeminence in all things, inasmuch as by inheritance he has a more glorious name than any other, and is higher than the kings of the earth. Who can rival heaven's Firstborn? The double portion and the government belong to him. Kings are honoured when they honour him, and those who honour him are kings! In the millennial glory it shall be seen what the covenant stores up for the once despised Son of David, but even now faith sees him exalted as King of kings and Lord of lords. Lo, we bow before thee, thou Heir of all things! Our sheaves do obeisance to thy sheaf. All thy mother's children call thee blessed. Thou art he whom thy brethren shall praise. Jesus is no servant of princes, nor would he have his bride, the church, degrade herself by bowing before kings and eating the bread of a pensioner at their hands. He and his kingdom are higher than the kings of the earth. Let the great ones of the earth be wise and submit to him, for he is Lord, and he is the governor among the nations.