Acts 4:4

4:4 But many of those who had listened to the message believed, and the number of the men came to about five thousand.

Acts 21:20

21:20 When they heard this, they praised God. Then they said to him, “You see, brother, how many thousands of Jews there are who have believed, and they are all ardent observers of the law.

Revelation 7:9

7:9 After these things I looked, and here was an enormous crowd that no one could count, made up of persons from every nation, tribe, people, and language, standing before the throne and before the Lamb dressed in long white robes, and with palm branches in their hands.