As the disciples waited for the fulfillment of the promise, they humbled their hearts in true repentance and confessed their unbelief. As they called to remembrance the words that Christ had spoken to them before His death they understood more fully their meaning. Truths which had passed from their memory were again brought to their minds, and these they repeated to one another. They reproached themselves for their misapprehension of the Saviour. Like a procession, scene after scene of His wonderful life passed before them. As they meditated upon His pure, holy life they felt that no toil would be too hard, no sacrifice too great, if only they could bear witness in their lives to the loveliness of Christ's character. Oh, if they could but have the past three years to live over, they thought, how differently they would act! If they could only see the Master again, how earnestly they would strive to show Him how deeply they loved Him, and how sincerely they sorrowed for having ever griev…
"But the Comforter, which is the Holy Ghost, whom the Father will send in my name, he shall teach you all things, and bring all things to your remembrance, whatsoever I have said unto you."
The EGW passage describes the disciples recalling Christ's words and understanding them more fully, which directly reflects the promise in John 14:26 that the Holy Spirit would bring all things to their remembrance. This is more than a thematic parallel; it's a direct application of the principle outlined in John 14:26.
"Repent ye therefore, and be converted, that your sins may be blotted out, when the times of refreshing shall come from the presence of the Lord;"
Both passages discuss repentance. The EGW passage describes the disciples' repentance and confession of unbelief while waiting for the Holy Spirit. Acts 3:19 calls for repentance so sins may be blotted out. The connection is thematic, not a direct quote or explicit allusion.