Leeser(i)
15 And Moses went up to the mount, and the cloud covered the mount.
16 And the glory of the Lord abode upon mount Sinai, and the cloud covered it six days; and he called unto Moses on the seventh day out of the midst of the cloud.
17 And the appearance of the glory of the Lord was like a devouring fire on the top of the mount, before the eyes of the children of Israel.
18 And Moses went into the midst of the cloud, and ascended the mount; and Moses was on the mount forty days and forty nights.