"The pope has changed the day of rest from the seventh to the first day. He has thought to change the very commandment that was given to cause man to remember his Creator. He has thought to change the greatest commandment in the Decalogue and thus make himself equal with God, or even exalt himself above God. The Lord is unchangeable, therefore His law is immutable; but the pope has exalted himself above God, in seeking to change His immutable precepts of holiness, justice, and goodness. He has trampled underfoot God's sanctified day, and, on his own authority, put in its place one of the six laboring days. The whole nation has followed after the beast, and every week they rob God of His holy time. The pope has made a breach in the holy law of God, but I saw that the time had fully come for this breach to be made up by the people of God and the waste places built up. EW 65.1"
"And he shall speak great words against the most High, and shall wear out the saints of the most High, and think to change times and laws: and they shall be given into his hand until a time and times and the dividing of time."
Both passages directly address the theme of changing God's law. Daniel 7:25 prophesies that a power will 'think to change times and laws.' EGW directly accuses the papacy of changing the Sabbath commandment, which she sees as an attempt to change God's law. The connection is strong and direct.
"I pleaded before the angel for God to save His people who had gone astray, to save them for His mercy's sake. When the plagues begin to fall, those who continue to break the holy Sabbath will not open their mouths to plead those excuses that they now make to get rid of keeping it. Their mouths will be closed while the plagues are falling, and the great Lawgiver is requiring justice of those who have had His holy law in derision and have called it “a curse to man,” “miserable,” and “rickety.” When such feel the iron grasp of this law taking hold of them, these expressions will appear before them in living characters, and they will then realize the sin of having that law in derision which the Word of God calls “ holy, just , and good .” EW 65.2"
"For if we sin wilfully after that we have received the knowledge of the truth, there remaineth no more sacrifice for sins,"
Both passages deal with the consequences of willful sin after receiving knowledge of the truth. Hebrews 10:26 states there is no more sacrifice for sins in such cases. EGW describes the plagues falling on those who break the Sabbath and their inability to offer excuses, suggesting a similar state of judgment and lack of atonement. The connection is thematic, focusing on the consequences of rejecting known truth.