Look, I am standing at [your] door and knocking; if anyone hears my voice [i.e., the sound of my knocking], and opens the door, I will [surely] come in to him and eat with him and he [will eat] with me.
God again identified a certain day, [calling it] “Today,” in David’s [writings], a long time later (just as it was referred to above) [Psa. 95:7-8], “Today, if you hear His [i.e., God’s] voice, do not have a stubborn heart.”
But [instead], encourage one another each day, as long as it is [still] called “Today,” so that none of you becomes stubborn [as a result] of the deceitfulness of sin.
While he was still talking, suddenly a bright cloud engulfed them. Just then, a voice spoke out of the cloud, saying, “This is my dearly loved Son, who is very pleasing to me; listen to Him.”
Truly, truly, I tell you, the time is coming, and is now [actually] here, when those who are [spiritually] dead will hear the voice of the Son of God; and those who hear [i.e., and heed His message] will have [spiritual] life.
I have other sheep [also] which are not [presently] in this corral; I must lead them, too. They will hear my voice and become one flock [i.e., with the others], having one shepherd. [Note: This probably refers to believing Gentiles becoming God’s people, along with the Jews].
[By his doing this] the Holy Spirit signifies that the way into the Holy Place [Note: This actually refers to the Holy of Holies, and represents heaven] had not yet been disclosed [i.e., made accessible] while the first Tabernacle was still standing.
And when they could not agree among themselves they left, after hearing Paul make this one [important] statement: “The Holy Spirit has spoken truthfully to your forefathers through Isaiah the prophet,
[It was] David himself [who] said by [inspiration of] the Holy Spirit [Psa. 110:1], ‘The Lord [i.e., God] said to my [i.e., David’s] Lord [i.e., Jesus], sit at my right side until I make your enemies the footrest [i.e., in subjection] under your feet.’
[He said], “Brothers, it was necessary that the Scriptures be fulfilled which the Holy Spirit spoke through King David about Judas, who guided the soldiers who came to arrest Jesus.