Luke 13:24
And He said to them, "Strive to enter in through the narrow door; because many, I say to 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 leads to destruction, and many are those who enter through it;
Matthew 11:12
And from the time of John the Immerser until now, the Kingdom of Heaven is taken by storm, and violent men seize upon it;
Mark 6:18-20
For John said to Herod, "It is not lawful for you to have your brother's wife."
Luke 21:36
But watch ye at every season, praying that ye may have full strength to escape all these things that are about to come to pass, and to stand before the Son of Man."
John 6:27
Work not for the food that perishes, but for the food that abides unto eternal life, which the Son of Man will give to you; for Him God the Father sealed."
John 7:34
Ye will seek Me, and will not find Me; and, where I am, ye cannot come."
John 8:21
He said, therefore, again to them, "I go away, and ye will seek Me, and will die in your sins. Whither I go, ye cannot come."
John 13:33
Little children, yet a little while I am with you. Ye will seek Me; and, as I said to the Jews, 'Whither I go ye cannot come;' so now I say to you.
Romans 9:31-33
but Israel, following after a law of righteousness, did not attain to such a law.
Romans 10:3
for, being ignorant of God's righteousness, and seeking to establish their own, they did not subject themselves to the righteousness of God;
1 Corinthians 9:24-27
Know ye not that those running a race, all, indeed, run; but one receives the prize? So run; that ye may obtain.
Philippians 2:12-13
So then, my beloved, as ye always obeyed, not as in my presence only, but now much more in my absence, work out your own salvation with fear and trembling;
Colossians 1:29
to which end I am toiling also, striving according to His working, which is working in me with power.
Hebrews 4:11
Let us, therefore, give diligence to enter into that rest, that no one fall after the same example of unbelief.
2 Peter 1:10
Wherefore, brethren, give the more diligence to make your calling and election sure; for, if ye do these things, ye shall in nowise ever stumble;