Exodus 24:18
Moses entered the cloud as he went up on the mountain, and he remained on the mountain forty days and forty nights.
Berean Standard Bible
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And Moses went into the midst of the cloud, and gat him up into the mount: and Moses was in the mount forty days and forty nights.
Moses entered into the middle of the cloud, and went up on the mountain; and Moses was on the mountain forty days and forty nights.