Acts 13:18

For about forty years He tenderly cared for them in the wilderness.

Acts 7:36

This man led them out [of Egypt], performing wonders and [miraculous] signs in Egypt, at the Red Sea and in the wilderness for forty years.

Acts 7:39-43

[And yet] our forefathers refused to obey him, but rejected [his leadership] and turned back to Egypt in their hearts.

1 Corinthians 10:1-10

For I want you to be [fully] aware, brothers, that our forefathers were all under the cloud, and all of them passed [safely] through the [Red] Sea. [Note: This refers to God guiding the Israelites through the desert during the daytime by a cloud moving along above them . See Ex. 13:21-22].

Hebrews 3:7-10

So, even as the Holy Spirit said [Psa. 95:7-11], "Today, if you hear His [i.e., God's] voice,

Hebrews 3:16-19

For who were they who heard [God] and provoked [Him]? Was it not everyone who was led out of Egypt by Moses?

Treasury of Scripture Knowledge

Summary

And about the time of forty years suffered he their manners in the wilderness.

Bible References

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Acts 7:36
This man led them out [of Egypt], performing wonders and [miraculous] signs in Egypt, at the Red Sea and in the wilderness for forty years.
1 Corinthians 10:1
For I want you to be [fully] aware, brothers, that our forefathers were all under the cloud, and all of them passed [safely] through the [Red] Sea. [Note: This refers to God guiding the Israelites through the desert during the daytime by a cloud moving along above them . See Ex. 13:21-22].
Hebrews 3:7
So, even as the Holy Spirit said [Psa. 95:7-11], "Today, if you hear His [i.e., God's] voice,