Original Text
And he took up his parable and said--Enoch a righteous man, whose eyes were opened by God, saw the vision of the Holy One in the heavens, which the angels showed me, and from them I heard everything, and from them I understood as I saw, but not for this generation, but for a remote one which is for to come.
Simple English
Enoch, a righteous man whose eyes were opened by God, saw a vision of the Holy One in the heavens. The angels showed me this vision, and from them I heard and understood everything. This vision is not for the people of my time, but for a future generation.