At this time Thomas was not present. He would not humbly receive the report of the disciples, but firmly and self-confidently affirmed that he would not believe unless he should put his fingers in the prints of the nails and his hand in the side where the cruel spear was thrust. In this he showed a lack of confidence in his brethren. If all should require the same evidence, none would now receive Jesus and believe in His resurrection. But it was the will of God that the report of the disciples should be received by those who could not themselves see and hear the risen Saviour. God was not pleased with the unbelief of Thomas. When Jesus again met with His disciples, Thomas was with them; and when he beheld Jesus, he believed. But he had declared that he would not be satisfied without the evidence of feeling added to sight, and Jesus gave him the evidence which he had desired. Thomas cried out, “My Lord and my God!” But Jesus reproved him for his unbelief, saying, “Thomas, because thou h…
"The other disciples therefore said unto him, We have seen the Lord. But he said unto them, Except I shall see in his hands the print of the nails, and put my finger into the print of the nails, and thrust my hand into his side, I will not believe."
The EGW passage retells the story of Thomas's disbelief and his demand for physical proof, directly referencing the events and dialogue found in John 20:25. It's a clear and direct allusion.