"Again he declared: “Whatever I do will be done, not by the prudence of men, but by the counsel of God. If the work be of God, who shall stop it? if it be not, who can forward it? Not my will, nor theirs, nor ours; but Thy will, O holy Father, which art in heaven.”— Ibid., b. 3, ch. 6. GC 131.1"
"But if it be of God, ye cannot overthrow it; lest haply ye be found even to fight against God."
Both passages express the idea that if a work is of God, it cannot be stopped, and if it is not, it will not succeed. The EGW passage is a direct quote expressing this sentiment.
"Thy kingdom come. Thy will be done in earth, as it is in heaven."
Both passages emphasize the importance of God's will being done, although the EGW passage applies it to a specific situation.
"What shall we then say to these things? If God be for us, who can be against us?"
Both passages express the idea that if God is on one's side, opposition is futile.
Though Luther had been moved by the Spirit of God to begin his work, he was not to carry it forward without severe conflicts. The reproaches of his enemies, their misrepresentation of his purposes, and their unjust and malicious reflections upon his character and motives, came in upon him like an overwhelming flood; and they were not without effect. He had felt confident that the leaders of the people, both in the church and in the schools, would gladly unite with him in efforts for reform. Words of encouragement from those in high position had inspired him with joy and hope. Already in anticipation he had seen a brighter day dawning for the church. But encouragement had changed to reproach and condemnation. Many dignitaries, of both church and state, were convicted of the truthfulness of his theses; but they soon saw that the acceptance of these truths would involve great changes. To enlighten and reform the people would be virtually to undermine the authority of Rome, to stop thousan…
"I sink in deep mire, where there is no standing: I am come into deep waters, where the floods overflow me."
Both passages describe a feeling of being overwhelmed by opposition, using the imagery of a flood.