"Page 33 : Nominal Adventists .—Those who united in sounding the first and second angels’ messages but who rejected the third angel's message with its Sabbath truth, but nonetheless continued to espouse the Advent hope, are referred to by Mrs. White as the “nominal Adventists,” or those who “reject the present truth” ( page 69 ), also “different parties of professed Advent believers” ( page 124 ). In our early literature these people were also referred to as “First-day Adventists.” EW 299.1"
"For the time will come when they will not endure sound doctrine; but after their own lusts shall they heap to themselves teachers, having itching ears;"
Both passages discuss people who reject sound doctrine or truth and follow their own desires. The EGW passage describes those who rejected the third angel's message, while the Bible verse speaks of those who will not endure sound doctrine. While not a direct quote, the theme of rejecting truth is present in both.
"door of mercy was shut.” But as she states, “clearer light came with the investigation of the sanctuary question.” See “Historical Prologue” in this volume and The Great Controversy, page 429 , and the entire chapter “In the Holy of Holies,” pages 423-432 . EW 299.6"
"I know thy works: behold, I have set before thee an open door, and no man can shut it: for thou hast a little strength, and hast kept my word, and hast not denied my name."
The 'shut door' concept in EGW's writings is a direct counterpoint to the 'open door' mentioned in Revelation 3:8. While the specific context differs, the imagery of a door representing opportunity or access is a clear parallel.