Luke 24:51

As he was in the act of blessing them, he left them [and was carried up into Heaven.]

Mark 16:19

So the Lord Jesus, after he had spoken to them, was taken up into Heaven, and sat at the right hand of God.

John 20:17

"Do not hold me," Jesus said; "for I have not yet ascended to the Father. But go to my Brothers, and tell them that I am ascending to him who is my Father and their Father, my God and their God."

Acts 1:9

No sooner had Jesus said this than he was caught up before their eyes, and a cloud received him from their sight.

Ephesians 4:8-10

That is why it is said--'When he went up on high, he led his captives into captivity. And gave gifts to mankind.'

Hebrews 1:3

For he is the radiance of the Glory of God and the very expression of his Being, upholding all creation by the power of his word; and, when he had made an expiation for the sins of men, he 'took his seat at the right hand' of God's Majesty on high,

Hebrews 4:14

We have, then, in Jesus, the Son of God, a great High Priest who has passed into the highest Heaven; let us, therefore, hold fast to the Faith which we have professed.

Treasury of Scripture Knowledge

Summary

And it came to pass, while he blessed them, he was parted from them, and carried up into heaven.

General references

Bible References

He was

Mark 16:19
So the Lord Jesus, after he had spoken to them, was taken up into Heaven, and sat at the right hand of God.
John 20:17
"Do not hold me," Jesus said; "for I have not yet ascended to the Father. But go to my Brothers, and tell them that I am ascending to him who is my Father and their Father, my God and their God."
Acts 1:9
No sooner had Jesus said this than he was caught up before their eyes, and a cloud received him from their sight.
Ephesians 4:8
That is why it is said--'When he went up on high, he led his captives into captivity. And gave gifts to mankind.'
Hebrews 1:3
For he is the radiance of the Glory of God and the very expression of his Being, upholding all creation by the power of his word; and, when he had made an expiation for the sins of men, he 'took his seat at the right hand' of God's Majesty on high,
Hebrews 4:14
We have, then, in Jesus, the Son of God, a great High Priest who has passed into the highest Heaven; let us, therefore, hold fast to the Faith which we have professed.

General references

Mark 10:16
Then he folded the children in his arms, and, placing his hands on them, gave them his blessing.
John 6:62
"Is this a hindrance to you? What, then, if you should see the Son of Man ascending where he was before?