Luke 13:24

"Strain every nerve to force your way in through the narrow gate," He answered; "for multitudes, I tell you, will endeavour to find a way in and will not succeed.

Matthew 7:13-14

"Enter by the narrow gate; for wide is the gate and broad the road which leads to ruin, and many there are who enter by it;

Matthew 11:12

But from the time of John the Baptist till now, the Kingdom of the Heavens has been suffering violent assault, and the violent have been seizing it by force.

Mark 6:18-20

For John had repeatedly told Herod, "You have no right to be living with your brother's wife."

Luke 21:36

But beware of slumbering; and every moment pray that you may be fully strengthened to escape from all these coming evils, and to take your stand in the presence of the Son of Man."

John 6:27

Bestow your pains not on the food which perishes, but on the food that remains unto the Life of the Ages--that food which will be the Son of Man's gift to you; for on Him the Father, God, has set His seal."

John 7:34

You will look for me and will not find me, and where I am you cannot come."

John 8:21

Again He said to them, "I am going away. Then you will try to find me, but you will die in your sins. Where I am going, it is impossible for you to come."

John 13:33

Dear children, I am still with you a little longer. You will seek me, but, as I said to the Jews, 'Where I am going you cannot come,' so for the present I say to you.

Romans 9:31-33

while the descendants of Israel, who were in pursuit of a Law that could give righteousness, have not arrived at one.

Romans 10:3

Ignorant of the righteousness which God provides and building their hopes upon a righteousness of their own, they have refused submission to God's righteousness.

1 Corinthians 9:24-27

Do you not know that in the foot-race the runners all run, but that only one gets the prize? You must run like him, in order to win with certainty.

Philippians 2:12-13

Therefore, my dearly-loved friends, as I have always found you obedient, labour earnestly with fear and trembling--not merely as though I were present with you, but much more now since I am absent from you--labour earnestly, I say, to make sure of your own salvation.

Colossians 1:29

To this end, like an earnest wrestler, I exert all my strength in reliance upon the power of Him who is mightily at work within me.

Hebrews 4:11

Let it then be our earnest endeavour to be admitted to that rest, so that no one may perish through following the same example of unbelief.

2 Peter 1:10

For this reason, brethren, be all the more in earnest to make sure that God has called you and chosen you; for it is certain that so long as you practise these things, you will never stumble.

Treasury of Scripture Knowledge

Summary

Strive to enter in at the strait gate: for many, I say unto you, will seek to enter in, and shall not be able.

The strait

General references

Bible References

The strait

Matthew 7:13
"Enter by the narrow gate; for wide is the gate and broad the road which leads to ruin, and many there are who enter by it;

For

Mark 6:18
For John had repeatedly told Herod, "You have no right to be living with your brother's wife."
John 7:34
You will look for me and will not find me, and where I am you cannot come."
John 8:21
Again He said to them, "I am going away. Then you will try to find me, but you will die in your sins. Where I am going, it is impossible for you to come."
John 13:33
Dear children, I am still with you a little longer. You will seek me, but, as I said to the Jews, 'Where I am going you cannot come,' so for the present I say to you.
Romans 9:31
while the descendants of Israel, who were in pursuit of a Law that could give righteousness, have not arrived at one.
Romans 10:3
Ignorant of the righteousness which God provides and building their hopes upon a righteousness of their own, they have refused submission to God's righteousness.

General references

Matthew 22:14
"For there are many called, but few chosen."
John 7:34
You will look for me and will not find me, and where I am you cannot come."