Luke 3:21

Now it came to pass, when one and all the people were immersed, Jesus also, having been immersed, and being at prayer, heaven was opened;

John 1:32-34

And John bare witness, saying - I have gazed upon the Spirit, descending like a dove, out of heaven, - and it abode upon him.

Matthew 3:13-17

Then, cometh Jesus, from Galilee to the Jordan, unto John, - to be immersed by him.

Matthew 14:23

And, dismissing the multitudes, he went up into the mountain, apart, to pray, - and when, evening, came, alone, was he, there.

Mark 1:9-11

And it came to pass, in those days, that Jesus came from Nazareth of Galilee, and was immersed into the Jordan by John;

Luke 5:16

howbeit, he, was retiring in the deserts, and engaging in prayer.

Luke 9:18

And, it came to pass, when he was praying in solitude, the disciples, were with him. And he questioned them, saying - Who do the multitudes say that I am?

Luke 9:28-29

And it came to pass, after these words, about eight days, taking with him Peter and John and James, he went up into the mountain to pray.

John 12:27-28

Now, is my soul troubled, - and what can I say? Father! save me from this hour? But, on this account, came I unto this hour. Father, glorify thy name!

Treasury of Scripture Knowledge

Summary

Now when all the people were baptized, it came to pass, that Jesus also being baptized, and praying, the heaven was opened,

And praying

General references

Bible References

That

Matthew 3:13
Then, cometh Jesus, from Galilee to the Jordan, unto John, - to be immersed by him.
Mark 1:9
And it came to pass, in those days, that Jesus came from Nazareth of Galilee, and was immersed into the Jordan by John;
John 1:32
And John bare witness, saying - I have gazed upon the Spirit, descending like a dove, out of heaven, - and it abode upon him.

And praying

Luke 9:28
And it came to pass, after these words, about eight days, taking with him Peter and John and James, he went up into the mountain to pray.
John 12:27
Now, is my soul troubled, - and what can I say? Father! save me from this hour? But, on this account, came I unto this hour. Father, glorify thy name!

The heaven

Matthew 3:16
And Jesus, having been immersed, straightway, went up from the water, - and lo! the heavens were opened and he saw the Spirit of God, descending like a dove coming upon him;
Mark 1:10
And, straightway, as he was coming up out of the water, he saw the heavens rending asunder, and, the Spirit, as a dove, descending unto him;
John 1:32
And John bare witness, saying - I have gazed upon the Spirit, descending like a dove, out of heaven, - and it abode upon him.

General references

Matthew 3:13
Then, cometh Jesus, from Galilee to the Jordan, unto John, - to be immersed by him.