"slander or ridicule is insulting Jesus. Our Saviour marks every wrong done to His followers. 5T 244.3"
"Then shall he answer them, saying, Verily I say unto you, Inasmuch as ye did it not to one of the least of these, ye did it not to me."
The EGW statement echoes the sentiment of Matthew 25:45, where Jesus identifies himself with the 'least of these' and considers actions done to them as done to him. Slander and ridicule of believers is thus seen as insulting Jesus.
"How were those punished who in olden time made light of what God had chosen as sacred to Himself? Belshazzar and his thousand lords profaned the golden vessels of Jehovah and praised the idols of Babylon. But the God whom they defied was a witness of the unholy scene. In the midst of their sacrilegious mirth a bloodless hand was seen tracing mysterious characters upon the palace wall. Filled with terror, king and courtiers heard their doom pronounced by the servant of the Most High. 5T 244.4"
"Belshazzar the king made a great feast to a thousand of his lords, and drank wine before the thousand. Belshazzar, whiles he tasted the wine, commanded to bring the golden and silver vessels which his father Nebuchadnezzar had taken out of the temple which was in Jerusalem; that the king, and his princes, his wives, and his concubines, might drink therein. Then they brought the golden vessels that were taken out of the temple of the house of God which was at Jerusalem; and the king, and his princes, his wives, and his concubines, drank in them. They drank wine, and praised the gods of gold, and of silver, of brass, of iron, of wood, and of stone. In the same hour came forth fingers of a man’s hand, and wrote over against the candlestick upon the plaister of the wall of the king’s palace: and the king saw the part of the hand that wrote. Then the king’s countenance was changed, and his thoughts troubled him, so that the joints of his loins were loosed, and his knees smote one against another. The king cried aloud to bring in the astrologers, the Chaldeans, and the soothsayers. And the king spake, and said to the wise men of Babylon, Whosoever shall read this writing, and shew me the interpretation thereof, shall be clothed with scarlet, and have a chain of gold about his neck, and shall be the third ruler in the kingdom. Then came in all the king’s wise men: but they could not read the writing, nor make known to the king the interpretation thereof. Then was king Belshazzar greatly troubled, and his countenance was changed in him, and his lords were astonied. Now the queen, by reason of the words of the king and his lords, came into the banquet house: and the queen spake and said, O king, live for ever: let not thy thoughts trouble thee, nor let thy countenance be changed: There is a man in thy kingdom, in whom is the spirit of the holy gods; and in the days of thy father light and understanding and wisdom, like the wisdom of the gods, was found in him; whom the king Nebuchadnezzar thy father, the king, I say, thy father, made master of the magicians, astrologers, Chaldeans, and soothsayers; Forasmuch as an excellent spirit, and knowledge, and understanding, interpreting of dreams, and shewing of hard sentences, and dissolving of doubts, were found in the same Daniel, whom the king named Belteshazzar: now let Daniel be called, and he will shew the interpretation. Then was Daniel brought in before the king. And the king spake and said unto Daniel, Art thou that Daniel, which art of the children of the captivity of Judah, whom the king my father brought out of Jewry? I have even heard of thee, that the spirit of the gods is in thee, and that light and understanding and excellent wisdom is found in thee. And now the wise men, the astrologers, have been brought in before me, that they should read this writing, and make known unto me the interpretation thereof: but they could not shew the interpretation of the thing: And I have heard of thee, that thou canst make interpretations, and dissolve doubts: now if thou canst read the writing, and make known to me the interpretation thereof, thou shalt be clothed with scarlet, and have a chain of gold about thy neck, and shalt be the third ruler in the kingdom. Then Daniel answered and said before the king, Let thy gifts be to thyself, and give thy rewards to another; yet I will read the writing unto the king, and make known to him the interpretation. O thou king, the most high God gave Nebuchadnezzar thy father a kingdom, and majesty, and glory, and honour: And for the majesty that he gave him, all people, nations, and languages, trembled and feared before him: whom he would he slew; and whom he would he kept alive; and whom he would he set up; and whom he would he put down. But when his heart was lifted up, and his mind hardened in pride, he was deposed from his kingly throne, and they took his glory from him:"
EGW directly references the story of Belshazzar's feast and the writing on the wall from Daniel 5, highlighting the consequences of profaning sacred things.
"Let those who delight to trace words of calumny and falsehood against the servants of Christ remember that God is a witness of their deeds. Their slanderous touch is not profaning soulless vessels but the characters of those whom Christ has purchased by His blood. The hand which traced the characters upon the walls of Belshazzar's palace keeps faithful record of every act of injustice or oppression committed against God's people. 5T 244.5"
"Of how much sorer punishment, suppose ye, shall he be thought worthy, who hath trodden under foot the Son of God, and hath counted the blood of the covenant, wherewith he was sanctified, an unholy thing, and hath done despite unto the Spirit of grace?"
Both passages deal with the consequences of mistreating those connected to God. Hebrews 10:29 speaks of the punishment for those who despise the Son of God and His sacrifice, while the EGW passage speaks of the consequences for those who slander Christ's servants. The reference to Belshazzar's wall reinforces the idea of divine record-keeping and judgment.