Notwithstanding that the sins of a guilty world were laid upon Christ, notwithstanding the humiliation of taking upon Himself our fallen naturethe voice from heaven declared Him to be the Son of the Eternal.—The Desire of Ages, 112. 7ABC 453.5

Though He had no taint of sin upon His character, yet He condescended to connect our fallen human nature with His divinity. By thus taking humanity, He honored humanity. Having taken our fallen nature, He showed what it might become, by accepting the ample provision He has made for it, and by becoming partaker of the divine nature.—Special Instruction Relating to the Review and Herald Office, and the Work in Battle Creek, 13 (May 26, 1896. 7ABC 453.6

He [Paul] directs the mind first to the position which Christ occupied in heaven, in the bosom of His Father; He reveals Him afterward as laying off His glory, voluntarily subjecting Himself to all the humbling conditions of man's nature, assuming the 7ABC 453.7. Source here.