"the father-son image cannot be literally applied to the divine Father-Son relationship within the Godhead. The Son is not the natural, literal Son of the Father ... The term 'Son' is used metaphorically when applied to the Godhead." -Ángel Manuel Rodríguez (Adventist Biblical Research Institute source - Also published in the official 'Adventist World' magazine source)  

"Everything that was simple he[satan] shrouded in mystery, and by artful perversion cast doubt upon the plainest statements of Jehovah." -PP 41.3 But, "if men would use their reason, and take the Bible as it reads, they would see the absurdity of their positions. The plain 'Thus saith the Lord,' would dispel their errors, as the mist is dispelled by the glories of the rising sun." ST August 5, 1886, par. 13

"The truths most plainly revealed in the Bible have been involved in doubt and darkness by learned men, who, with a pretense of great wisdom, teach that the Scriptures have a mystical, a secret, spiritual meaning not apparent in the language employed. These men are false teachers. It was to such a class that Jesus declared, “Ye know not the Scriptures, neither the power of God.” [Mark 12:24.] The language of the Bible should be explained according to its obvious meaning, unless a symbol or figure is employed. Christ has given the promise, “If any man will do His will, he shall know of the doctrine.” [John 7:17.]" (GC 1888, p.598). 

"For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life." -Jesus in John 3:16. "The language of the Bible should be explained according to its obvious meaning, unless a symbol or figure is employed." -EGW, GC 598 

"Our heavenly Father is the God of the universe, and Christ is the divine Son, the One equal with the Father." -Ms49-1906.26

Angels were expelled from heaven because they would not work in harmony with God. They fell from their high estate because they wanted to be exalted. They had come to exalt themselves, and they forgot that their beauty of person and of character came from the Lord Jesus. This fact the angels would obscure, that Christ was the only begotten Son of God, and they came to consider that they were not to consult Christ. One angel began the controversy and carried it on until there was rebellion in the heavenly courts among the angels. They were lifted up because of their beauty. Lt42-1910 (April 29, 1910) par. 3

"Christ was the only begotten Son of God, and Lucifer, that glorious angel, got up a warfare over the matter, until he had to be thrust down to the earth." (Ellen G. White, Ms86, August 21, 1910)

"The dedication of the first-born had its origin in the earliest times. God had promised to give the first-born of heaven to save the sinner." (Ellen G. White, Desire of Ages, p. 51)

"When I read in the Bible of how many refused to believe that Christ was the Son of God, sadness fills my heart." (E.G. White, Letter 398, To Dr. & Mrs. D.H. Kress, December 26, 1906)

With my husband I have stood on some lofty height, and looked upon the mountains rising peak above peak, until our souls were thrilled with a sense of God's majesty and power. At evening we delighted to look up to the blue heavens inlaid with glittering stars; and while thus beholding the splendors of the visible universe, we acknowledged with reverent awe that all was the handiwork of the Most High. We rejoiced that the God of creation is the God of the Bible, and that we can claim this infinite Being as our Father. We talked of the glories of his power and wisdom, and adored the matchless love which has made it possible, through Jesus Christ, for fallen man to become a son and heir of the Maker and Sovereign of the universe. -RH November 1, 1881, par 4

"It is true that there are many sons of God, but Christ is the 'only begotten Son of God,' and therefore the Son of God in a sense in which no other being ever was or ever can be. The angels are sons of God, as was Adam (Job 38:7; Luke 3:38), by creation; Christians are the sons of God by adoption (Rom. 8:14, 15), but Christ is the Son of God by birth. The writer to the Hebrews further shows that the position of the Son of God is not one to which Christ has been elevated but that it is one which He has by right." (E. J. Waggoner, Christ and His Righteousness, page 12, 1890)

A complete offering has been made; for “God so loved the world, that he gave his only-begotten Son,”—not a son by creation, as were the angels, nor a son by adoption, as is the forgiven sinner, but a Son begotten in the express image of the Father's person, and in all the brightness of his majesty and glory, one equal with God in authority, dignity, and divine perfection. In him dwelt all the fullness of the Godhead bodily. -Ellen White, Signs of the Times, May 30, 1895, Christ Our Complete Salvation, par 3, 

The Eternal Father, the unchangeable one, gave his only begotten Son, tore from his bosom Him who was made in the express image of his person, and sent him down to earth to reveal how greatly he loved mankind. He is willing to do more, “more than we can ask or think.” An inspired writer asks a question which should sink deep into every heart: “He that spared not his own Son, but delivered him up for us all, how shall he not with him also freely give us all things?” Shall not every believer in the Lord Jesus Christ say, “Since God has done so much for us, how shall we not, for Christ's sake, show our love to him by obedience to his commandments, by being doers of his word, by unreservedly consecrating ourselves to his service?” -Ellen White, RH July 9, 1895, par. 13

“God is the Father of Christ; Christ is the Son of God. To Christ has been given an exalted position. He has been made equal with the Father. All the counsels of God are opened to His Son.” -Ellen White, Testimonies for the Church, vol. 8, p. 268.3, March 1904

“Through Solomon Christ declared: “The Lord possessed Me in the beginning of His way, before His works of old. I was set up from everlasting, from the beginning, or ever the earth was. When there were no depths, I was brought forth; when there were no fountains abounding with water. Before the mountains were settled, before the hills was I brought forth.” — (E.G. White, ST, Aug 29, 1900)

Probably from G3306; remaining, that is, sole or single; by implication mere: -  alone, only, by themselves.

A prolonged and middle form of a primary verb; to cause to be (“gen” -erate),  that is, (reflexively) to become (come into being), used with great latitude  (literally, figuratively, intensively, etc.): - arise be assembled, be (come, -fall,  -have self), be brought (to pass), (be) come (to pass), continue, be divided, be  done, draw, be ended, fall, be finished, follow, be found, be fulfilled, + God  forbid, grow, happen, have, be kept, be made, be married, be ordained to be,  partake, pass, be performed, be published, require, seem, be showed, X soon  as it was, sound, be taken, be turned, use, wax, will, would, be wrought.