NET

51 He continued, “I tell all of you the solemn truth—you will see heaven opened and the angels of God ascending and descending on the Son of Man.”

Darby

51 And he says to him, Verily, verily, I say to you, Henceforth ye shall see the heaven opened, and the angels of God ascending and descending on the Son of man.

KJV

51 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.”

Strong's

51 And ^G2532 he saith^G3004 unto him^G846, Verily^G281, verily^G281, I say^G3004 unto you^G5213, Hereafter^{G737 G575} ye shall see^G3700 heaven^G3772 open^G455, and^G2532 the angels^G32 of God^G2316 ascending^G305 and^G2532 descending^G2597 upon^G1909 the Son^G5207 of man^G444.