New International Version
He then added, "Very truly I tell you, you will see 'heaven open, and the angels of God ascending and descending on' the Son of Man."

American Standard Version
And he saith unto him, Verily, verily, I say unto you, Ye shall see the heaven opened, and the angels of God ascending and descending upon the Son of man.

Berean Study Bible
Then He declared, “Truly, truly, I tell you, you will all see heaven open and the angels of God ascending and descending on the Son of Man.”

Douay-Rheims Bible
And he saith to him: Amen, amen I say to you, you shall see the heaven opened, and the angels of God ascending and descending upon the Son of man.

English Revised Version
And he saith unto him, Verily, verily, I say unto you, Ye shall see the heaven opened, and the angels of God ascending and descending upon the Son of man.

King James Bible
And he saith unto him, Verily, verily, I say unto you, Hereafter ye shall see heaven open, and the angels of God ascending and descending upon the Son of man.

World English Bible
He said to him, "Most certainly, I tell you, hereafter you will see heaven opened, and the angels of God ascending and descending on the Son of Man."

Young's Literal Translation
and he saith to him, 'Verily, verily, I say to you, henceforth ye shall see the heaven opened, and the messengers of God going up and coming down upon the Son of Man.'

John 1:51 Additional Translations ...