2 Timothy 2:5

And if a man takes part in a competition he does not get the crown if he has not kept the rules.

Luke 13:24

Do your best to go in by the narrow door, for I say to you, A number will make the attempt to go in, but will not be able to do so.

1 Corinthians 9:24-27

Do you not see that in a running competition all take part, but only one gets the reward? So let your minds be fixed on the reward.

Philippians 1:15

Though some are preaching Christ out of envy and competition, others do it out of a good heart:

Colossians 1:29

And for this purpose I am working, using all my strength by the help of his power which is working in me strongly.

2 Timothy 4:7-8

I have made a good fight, I have come to the end of my journey, I have kept the faith:

Hebrews 2:7

You made him a little lower than the angels; you gave him a crown of glory and honour, and made him ruler over all the works of your hands:

Hebrews 2:9

But we see him who was made a little lower than the angels, even Jesus, crowned with glory and honour, because he let himself be put to death so that by the grace of God he might undergo death for all men.

Hebrews 12:4

Till now you have not given your blood in your fight against sin:

James 1:12

There is a blessing on the man who undergoes testing; because, if he has God's approval, he will be given the crown of life, which the Lord has said he will give to those who have love for him.

1 Peter 5:4

And at the coming of the chief Keeper of the sheep, you will be given the eternal crown of glory.

Revelation 2:10

Have no fear of the things which you will have to undergo: see, the Evil One will send some of you into prison, so that you may be put to the test; and you will have great trouble for ten days. Be true till death, and I will give you the crown of life.

Revelation 3:11

I come quickly: keep that which you have, so that no one may take your crown.

Revelation 4:4

And round about the high seat were four and twenty seats: and on them I saw four and twenty rulers seated, clothed in white robes; and on their heads crowns of gold.

Revelation 4:10

The four and twenty rulers go down on their faces before him who is seated on the high seat, and give worship to him who is living for ever and ever, and take off their crowns before the high seat, saying,

Treasury of Scripture Knowledge

Summary

And if a man also strive for masteries, yet is he not crowned, except he strive lawfully.

Bible References

Strive

Luke 13:24
Do your best to go in by the narrow door, for I say to you, A number will make the attempt to go in, but will not be able to do so.
1 Corinthians 9:24
Do you not see that in a running competition all take part, but only one gets the reward? So let your minds be fixed on the reward.
Philippians 1:15
Though some are preaching Christ out of envy and competition, others do it out of a good heart:
Colossians 1:29
And for this purpose I am working, using all my strength by the help of his power which is working in me strongly.
Hebrews 12:4
Till now you have not given your blood in your fight against sin:

Is he

2 Timothy 4:7
I have made a good fight, I have come to the end of my journey, I have kept the faith:
Hebrews 2:7
You made him a little lower than the angels; you gave him a crown of glory and honour, and made him ruler over all the works of your hands:
James 1:12
There is a blessing on the man who undergoes testing; because, if he has God's approval, he will be given the crown of life, which the Lord has said he will give to those who have love for him.
1 Peter 5:4
And at the coming of the chief Keeper of the sheep, you will be given the eternal crown of glory.
Revelation 2:10
Have no fear of the things which you will have to undergo: see, the Evil One will send some of you into prison, so that you may be put to the test; and you will have great trouble for ten days. Be true till death, and I will give you the crown of life.
Revelation 3:11
I come quickly: keep that which you have, so that no one may take your crown.
Revelation 4:4
And round about the high seat were four and twenty seats: and on them I saw four and twenty rulers seated, clothed in white robes; and on their heads crowns of gold.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain