Acts 7:17

"But as the time when [the fulfillment of] the promise [God had made] to Abraham approached, the number of people [i.e., Hebrews] in Egypt grew

Hebrews 11:12

Therefore, from one man [Abraham], who was as good as dead [i.e., because of having a sterile wife], were born descendants as numerous as the stars in the sky and as countless as the [grains of] sand on the seashore.

Treasury of Scripture Knowledge

Summary

And he increased his people greatly; and made them stronger than their enemies.

Bible References

And he

Acts 7:17
"But as the time when [the fulfillment of] the promise [God had made] to Abraham approached, the number of people [i.e., Hebrews] in Egypt grew
Hebrews 11:12
Therefore, from one man [Abraham], who was as good as dead [i.e., because of having a sterile wife], were born descendants as numerous as the stars in the sky and as countless as the [grains of] sand on the seashore.