21 By day the Lord went ahead(A) of them in a pillar of cloud(B) 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.
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10 For I do not want you to be ignorant(A) of the fact, brothers and sisters, that our ancestors were all under the cloud(B) and that they all passed through the sea.(C)