Then commenced the jubilee, when the land should rest. I saw the pious slave rise in triumph and victory and shake off the chains that bound him, while his wicked master was in confusion and knew not what to do; for the wicked could not understand the words of the voice of God. Soon appeared the great white cloud. It looked more lovely than ever before. On it sat the Son of man. At first we did not see Jesus on the cloud, but as it drew near the earth we could behold His lovely person. This cloud, when it first appeared, was the sign of the Son of man in heaven. The voice of the Son of God called forth the sleeping saints, clothed with glorious immortality. The living saints were changed in a moment and were caught up with them into the cloudy chariot. It looked all over glorious as it rolled upward. On either side of the chariot were wings, and beneath it wheels. And as the chariot rolled upward, the wheels cried, “Holy,” and the wings, as they moved, cried, “Holy,” and the retinue of…
"And then shall appear the sign of the Son of man in heaven: and then shall all the tribes of the earth mourn, and they shall see the Son of man coming in the clouds of heaven with power and great glory."
The EGW passage directly references the 'sign of the Son of man' and the Son of man coming in the clouds, mirroring the Matthew 24:30 passage. The description of the cloud and the Son of man's presence on it is a clear allusion.
"Then shalt thou cause the trumpet of the jubile to sound on the tenth day of the seventh month, in the day of atonement shall ye make the trumpet sound throughout all your land. And ye shall hallow the fiftieth year, and proclaim liberty throughout all the land unto all the inhabitants thereof: it shall be a jubile unto you; and ye shall return every man unto his possession, and ye shall return every man unto his family."
The EGW passage mentions the 'jubilee' and the liberation of slaves, which directly relates to the Leviticus passage describing the Jubilee year and the freeing of those in bondage. While not a direct quote, the thematic connection is strong.