Luke 13:24
Strive to enter in through the narrow door; for many, I say to you, will seek to enter in, and will not be able.
Matthew 7:13-14
Enter in at the strait gate; for wide is the gate, and broad is the way, that leadeth to destruction; and many are they who go in thereat.
Matthew 11:12
And from the days of John the Baptist until now, the kingdom of heaven suffereth violence, and the violent seize upon it.
Mark 6:18-20
For John had said to Herod, It is not lawful for thee to have thy brothers wife.
Luke 21:36
But watch at all times, and pray that ye may be able to escape all the things that are about to come to pass, and to stand before the Son of man.
John 6:27
Labor not for the food that perisheth, but for the food that endureth to everlasting life, which the Son of man giveth to you; for on him hath the Father set his seal, even God.
John 7:34
Ye will seek me and not find me; and where I am, ye cannot come.
John 8:21
Again therefore he said to them, I go away, and ye will seek me, and will die in your sin. Whither I go, ye cannot come.
John 13:33
My 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
while Israel, which strove after a law of righteousness, did not attain to a law of righteousness.
Romans 10:3
For being ignorant of the righteousness which is of God, and endeavoring to establish a righteousness of their own, they have not submitted themselves to the righteousness which is of God.
1 Corinthians 9:24-27
Know ye not, that of those who run in the racecourse all run, but one receiveth the prize? Thus 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 also am laboring, striving earnestly through his working, which worketh within me mightily.
Hebrews 4:11
Let us then strive to enter into that rest, that no one may fall, as a like example of disobedience.
2 Peter 1:10
Wherefore the rather, brethren, give diligence to make your calling and election sure; for if ye do these things, ye will never fall.