Referenced Verses:

And I will pray the Father, and he shall give you another Comforter, that he may abide with you for ever;

Even the Spirit of truth; whom the world cannot receive, because it seeth him not, neither knoweth him: but ye know him; for he dwelleth with you, and shall be in you.

I will not leave you comfortless: I will come to you.

Yet a little while, and the world seeth me no more; but ye see me: because I live, ye shall live also.

At that day ye shall know that I am in my Father, and ye in me, and I in you.

John 14: 16-20

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.

Peace I leave with you, my peace I give unto you: not as the world giveth, give I unto you. Let not your heart be troubled, neither let it be afraid.

John 14: 26-27

But ye shall receive power, after that the Holy Ghost is come upon you: and ye shall be witnesses unto me both in Jerusalem, and in all Judaea, and in Samaria, and unto the uttermost part of the earth.

Acts 1: 8

And when the day of Pentecost was fully come, they were all with one accord in one place.

And suddenly there came a sound from heaven as of a rushing mighty wind, and it filled all the house where they were sitting.

And there appeared unto them cloven tongues like as of fire, and it sat upon each of them.

And they were all filled with the Holy Ghost, and began to speak with other tongues, as the Spirit gave them utterance.

And there were dwelling at Jerusalem Jews, devout men, out of every nation under heaven.

Acts 2: 1-5

Then Peter said unto them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost.

Acts 2: 38