Acts 2:41
So those who accepted his teaching were baptized, and about three thousand people joined the disciples on that day alone.
Acts 4:4
Many, however, of those who had heard the Apostles' Message became believers in Christ, the number of the men alone amounting to about five thousand.
Acts 21:20
And, when they had heard it, they began praising God, and said to Paul: "You see, Brother, that the Jews who have become believers in Christ may be numbered by tens of thousands, and they are all naturally earnest in upholding the Jewish Law.
Romans 15:18-21
For I will not dare to speak of anything but what Christ has done through me to win the obedience of the Gentiles--
1 Corinthians 2:9
It is what Scripture speaks of as-'What eye never saw, nor ear ever heard, what never entered the mind of man-even all that God has prepared for those who love him.'