Acts 13:18

And for about forty years, he cherished them in the wilderness.

Acts 7:36

He brought them out, after he had performed wonders and signs in the land of Egypt, and at the Red Sea, and in the wilderness, forty years.

Acts 7:39-43

To him our fathers were not willing to be obedient; but they rejected him, and turned back in their hearts to Egypt,

1 Corinthians 10:1-10

Now, brethren, I do not wish you to be ignorant, that all our fathers were under the cloud, and that all passed through the sea,

Hebrews 3:7-10

Wherefore, as the Holy Spirit says: To-day, if you will hear his voice,

Hebrews 3:16-19

For some, when they had heard, did bitterly provoke; yet, not all that came 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
He brought them out, after he had performed wonders and signs in the land of Egypt, and at the Red Sea, and in the wilderness, forty years.
1 Corinthians 10:1
Now, brethren, I do not wish you to be ignorant, that all our fathers were under the cloud, and that all passed through the sea,
Hebrews 3:7
Wherefore, as the Holy Spirit says: To-day, if you will hear his voice,