"clothed the fields, and flocks and herds covered the encircling hills. Art and commerce contributed to enrich the proud city of the plain. The treasures of the East adorned her palaces, and the caravans of the desert brought their stores of precious things to supply her marts of trade. With little thought or labor, every want of life could be supplied, and the whole year seemed one round of festivity. PP 156.1"
"Behold, this was the iniquity of thy sister Sodom, pride, fulness of bread, and abundance of idleness was in her and in her daughters, neither did she strengthen the hand of the poor and needy."
Both passages describe the prosperity and abundance of Sodom. Ezekiel 16:49 lists the sins resulting from this abundance, while EGW paints a picture of the city's wealth and ease. The connection is thematic, as both passages address the same subject matter and its consequences.
The profusion reigning everywhere gave birth to luxury and pride. Idleness and riches make the heart hard that has never been oppressed by want or burdened by sorrow. The love of pleasure was fostered by wealth and leisure, and the people gave themselves up to sensual indulgence. “Behold,” says the prophet, “this was the iniquity of thy sister Sodom, pride, fullness of bread, and abundance of idleness was in her and in her daughters, neither did she strengthen the hand of the poor and needy. And they were haughty, and committed abomination before Me: therefore I took them away as I saw good.” Ezekiel 16:49, 50 . There is nothing more desired among men than riches and leisure, and yet these gave birth to the sins that brought destruction upon the cities of the plain. Their useless, idle life made them a prey to Satan's temptations, and they defaced the image of God, and became satanic rather than divine. Idleness is the greatest curse that can fall upon man, for vice and crime follow in…
"Behold, this was the iniquity of thy sister Sodom, pride, fulness of bread, and abundance of idleness was in her and in her daughters, neither did she strengthen the hand of the poor and needy."
EGW directly quotes Ezekiel 16:49 and 16:50 and then elaborates on the themes presented in the verses.