Matthew 5:20

5:20 For I tell you, unless your righteousness goes beyond that of the experts in the law and the Pharisees, you will never enter the kingdom of heaven.

Matthew 19:23

19:23 Then Jesus said to his disciples, “I tell you the truth, it will be hard for a rich person to enter the kingdom of heaven!

Luke 13:24

13:24 “Exert every effort to enter through the narrow door, because many, I tell you, will try to enter and will not be able to.

John 3:5

3:5 Jesus answered, “I tell you the solemn truth, unless a person is born of water and spirit, he cannot enter the kingdom of God.

Acts 14:22

14:22 They strengthened the souls of the disciples and encouraged them to continue in the faith, saying, “We must enter the kingdom of God through many persecutions.”

Acts 14:2

14:2 But the Jews who refused to believe stirred up the Gentiles and poisoned their minds against the brothers.

Acts 1:11

1:11 and said, “Men of Galilee, why do you stand here looking up into the sky? This same Jesus who has been taken up from you into heaven will come back in the same way you saw him go into heaven.”