They [Adam and Eve] were informed that they would have to lose their Eden home.... It was not safe for them to remain in the garden of Eden, lest in their state of sin, they gain access to the tree of life.—The Spirit of Prophecy 1:44. TA 61.2
They [Adam and Eve] earnestly entreated that they might remain in the home of their innocence and joy. They confessed that they had forfeited all right to that happy abode, but pledged themselves for the future to yield strict obedience to God. But they were told that their nature had become depraved by sin; they had lessened their strength to resist evil, and had opened the way for Satan to gain more ready access to them. In their innocence they had yielded to temptation; and now, in a state of conscious guilt, they would have less power to maintain their integrity. TA 61.3
In humility and unutterable sadness they bade farewell to their beautiful home, and went forth to dwell upon the earth, where rested the curse of sin.—Patriarchs and Prophets, 61. TA 62.1
Holy angels were sent to drive out the disobedient pair from the garden, while other angels guarded the way to the tree of life. Each one of these mighty angels had in his right hand a glittering sword.—Spiritual Gifts 3:45. TA 62.2
Strong angels, with beams of light representing flaming swords turning in every direction, were placed as sentinels to guard the way of the tree of life from the approach of Satan and the guilty pair.—The Review and Herald, February 24, 1874. TA 62.3
It was Satan's studied plan that Adam and Eve should disobey God, receive His frown, and then partake of the tree of life, that they might perpetuate a life of sin. But holy angels were sent to debar their way to the tree of life. Around these angels flashed beams of light on every side, which had the appearance of glittering swords.—The Spirit of Prophecy 1:44. TA 62.4
After the fall, Satan bade his angels make special effort to foster the belief in man's natural immortality; and when they had induced the people to receive this error, they led them to conclude that the sinner would live in eternal misery.—The Spirit of Prophecy 4:354. TA 62.5