"Not a pause for a moment in His presence, but personal contact with Christ, to sit down in companionship with Him—this is our need. Happy will it be for the children of our homes and the students of our schools when parents and teachers shall learn in their own lives the precious experience pictured in these words from the Song of Songs: Ed 261.1"
"Abide in me, and I in you. As the branch cannot bear fruit of itself, except it abide in the vine; no more can ye, except ye abide in me."
The idea of 'abiding' in John 15:4 is very similar to EGW's emphasis on 'personal contact with Christ, to sit down in companionship with Him.' Both passages stress the necessity of a close, ongoing relationship with Christ.
"Draw nigh to God, and he will draw nigh to you. Cleanse your hands, ye sinners; and purify your hearts, ye double minded."
Both passages emphasize drawing near to God/Christ. EGW's passage speaks of 'personal contact with Christ' and 'companionship with Him,' while James 4:8 speaks of drawing nigh to God. The connection is thematic, focusing on closeness to God, but not a direct quote or explicit allusion.
"“As the apple tree among the trees of the wood, So is my Beloved among the sons. I sat down under His shadow with great delight, And His fruit was sweet to my taste. He brought me to the banqueting house, And His banner over me was love.” Song of Solomon 2:3, 4 . Ed 261.2"
"As the apple tree among the trees of the wood, so is my beloved among the sons. I sat down under his shadow with great delight, and his fruit was sweet to my taste."
EGW directly quotes Song of Solomon 2:3, making this a clear and explicit allusion.