Luke 13:24
Agonize to enter in through the narrow gate: because many, I say unto you, will seek to enter in, and will not be able.
Matthew 7:13-14
Enter ye in through the narrow gate: because wide is the gate and broad is the way, that leadeth to destruction, and many there are, who are going in through it.
Matthew 11:12
From the days of John the Baptist until now the kingdom of the heavens suffers violence, and the violent are taking it by force.
Mark 6:18-20
For John said to Herod, It is not lawful for thee to have the wife of thy brother.
Luke 21:36
Therefore watch, praying all the time, that you may be counted worthy to escape all these things which are about to come to pass, and to stand before the Son of man.
John 6:27
Labor not for the food that perishes, but the food that abideth unto eternal life, which the Son of man gives to you: for this God the Father hath sealed.
John 7:34
You will seek me, and will not find me: and where I am, you are not able to come.
John 8:21
Then He again said to them, I go away, and you will seek me, and you will die in your sin: whither I go you are not able to come.
John 13:33
Children, I am still with you. You shall seek me, and as I said to the Jews, Whither I go, you are not able to come; and now I say to you.
Romans 9:31-33
but Israel, following after the law, did not attain unto the law of righteousness.
Romans 10:3
for being ignorant of God's righteousness, and seeking to establish their own righteousness, they have not submitted to the righteousness of God.
1 Corinthians 9:24-27
Do you not know that those running in the stadium, indeed all run, and one receives the prize? So run, that you may receive it.
Philippians 2:12-13
So, my beloved brethren, as you have always harkened, not only in my presence, but now much more in my absence, work out your own salvation with fear and trembling;
Colossians 1:29
unto which I also labor, agonizing according to his energy, working in me with power.
Hebrews 4:11
Therefore let us hasten to enter into that rest, lest some one may fall by the same example of unbelief.
2 Peter 1:10
Therefore, brethren, be the more diligent to make your calling and election sure: for doing these things you can never fall.