Revelation 14:1-3
And I looked, and there in front of me was the Lamb, standing on Mount Zion, and with him were one hundred and forty-four thousand persons, with the Lamb's name and His Father's name written on their foreheads.
Revelation 21:6
Then He said to me, "These things have already happened. [Note: These words express the certainty of what has been predicted in this book, even though not all the events had actually taken place yet]. I am the Alpha and the Omega [See note at 1:8], the beginning and the end. I will give the person who is [spiritually] thirsty [a drink] from the spring of water of life without his having to pay for it.
John 1:16
For we have all received from His full richness one favor after another.
John 4:10
Jesus answered her, "If you [only] knew the [real] gift of God, and who it is that said to you, '[Please], give me a drink,' you would have asked Him, and He would have given you living water."
John 4:14
but whoever drinks the water I give him will never get thirsty [again]. For the water I will give him will become in him [i.e., in his spirit] a spring of water, bubbling up and producing never ending life." [See John 7:38].
John 7:37-39
Now on the last and greatest day of the Festival [of Tabernacles], Jesus stood up and spoke out, "If anyone is thirsty he should come to me for a drink.
James 1:17
Every good thing that is given and every perfect gift [received] is from above, coming down from the Father of [heavenly] lights, with whom there can be no change or shifting shadow [i.e., God always remains the same].
Revelation 22:1
Then the angel [See 21:9] showed me the river of the water of life. It was crystal-clear as it flowed out of the throne of God and the Lamb,
Revelation 22:17
And the Holy Spirit and the bride [i.e., the church. See 21:9] say, "Come!" And the person who hears [this] should say "Come." And the person who is [spiritually] thirsty should come; [and] whoever wants to should come and drink the water of life without having to pay for it.