Exodus 13:21 New International Version (NIV)

²¹ By day the Lord went ahead of them in a pillar of cloud to guide them on their way and by night in a pillar of fire to give them light, so that they could travel by day or night.

1 Corinthians 10:1 New International Version (NIV)

Warnings From Israel’s History

10 For I do not want you to be ignorant of the fact, brothers and sisters, that our ancestors were all under the cloud and that they all passed through the sea.