Hereafter ye shall see — All of these, as well as thou, who believe on me now in my state of humiliation, shall hereafter see me come in my glory, and all the angels of God with me. This seems the most natural sense of the words, though they may also refer to his ascension.
Related Commentaries of John 1:51
John 1:51
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.