The former treatise have I made, O Theophilus, of all that Jesus began both to do and teach,(Acts 1:1)

Until the day in which he was taken up, after that he through the Holy Ghost had given commandments unto the apostles whom he had chosen:(Acts 1:2)

To whom also he shewed himself alive after his passion by many infallible proofs, being seen of them forty days, and speaking of the things pertaining to the kingdom of God:(Acts 1:3)

And, being assembled together with them, commanded them that they should not depart from Jerusalem, but wait for the promise of the Father, which, saith he, ye have heard of me.

For John truly baptized with water; but ye shall be baptized with the Holy Ghost not many days hence.(Acts 1:5)

When they therefore were come together, they asked of him, saying, Lord, wilt thou at this time restore again the kingdom to Israel?(Acts 1:6)

And he said unto them, It is not for you to know the times or the seasons, which the Father hath put in his own power.(Acts 1:7)

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Acts 1:4 - Cross Reference

Not to all the people, but unto witnesses chosen before God, even to us, who did eat and drink with him after he rose from the dead. (Acts 10:41)

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. (John 14:26)

If ye then, being evil, know how to give good gifts unto your children: how much more shall your heavenly Father give the Holy Spirit to them that ask him? (Luke 11:13)

But when the Comforter is come, whom I will send unto you from the Father, even the Spirit of truth, which proceedeth from the Father, he shall testify of me: (John 15:26)

And, behold, I send the promise of my Father upon you: but tarry ye in the city of Jerusalem, until ye be endued with power from on high. (Luke 24:49)

(But this spake he of the Spirit, which they that believe on him should receive: for the Holy Ghost was not yet given; because that Jesus was not yet glorified.) (John 7:39)

And while they yet believed not for joy, and wondered, he said unto them, Have ye here any meat? (Luke 24:41)

And when he had said this, he breathed on them, and saith unto them, Receive ye the Holy Ghost: (John 20:22)

For the Holy Ghost shall teach you in the same hour what ye ought to say. (Luke 12:12)

Nevertheless I tell you the truth; It is expedient for you that I go away: for if I go not away, the Comforter will not come unto you; but if I depart, I will send him unto you. (John 16:7)

For it is not ye that speak, but the Spirit of your Father which speaketh in you. (Matthew 10:20)

And I will pray the Father, and he shall give you another Comforter, that he may abide with you for ever; (John 14:16)

Therefore being by the right hand of God exalted, and having received of the Father the promise of the Holy Ghost, he hath shed forth this, which ye now see and hear. (Acts 2:33)