New Revised Standard Version
So I do not run aimlessly, nor do I box as though beating the air;

Contemporary English Version
I don't run without a goal. And I don't box by beating my fists in the air.

New American Bible
Thus I do not run aimlessly; I do not fight as if I were shadowboxing.

Douay-Rheims Bible
I therefore so run, not as at an uncertainty: I so fight, not as one beating the air.

I therefore so run, not as at an uncertainty: I so fight, not as one beating the air.

not.

2 Corinthians 5:1,8 For we know, if our earthly house of this habitation be dissolved, that we have a building of God, a house not made with hands, eternal in heaven. . . .

Philippians 1:21 For to me, to live is Christ: and to die is gain.

2 Timothy 1:12 For which cause, I also suffer these things: but I am not ashamed. For I know whom I have believed and I am certain that he is able to keep that which I have committed unto him, against that day.

2 Timothy 2:5 For he also that striveth for the mastery is not crowned, except he strive lawfully.

Hebrews 4:1 Let us fear therefore lest, the promise being left of entering into his rest, any of you should be thought to be wanting.

1 Peter 5:1 The ancients therefore that are among you, I beseech who am myself also an ancient and a witness of the sufferings of Christ, as also a partaker of that glory which is to be revealed in time to come:

2 Peter 1:10 Wherefore, brethren, labour the more, that by good works you may make sure your calling and election. For doing these things, you shall not sin at any time.

so.

Matthew 11:12 And from the days of John the Baptist until now, the kingdom of heaven suffereth violence, and the violent bear it away.

Luke 13:24 Strive to enter by the narrow gate: for many, I say to you, shall seek to enter and shall not be able.

Ephesians 6:12 For our wrestling is not against flesh and blood; but against principalities and powers, against the rulers of the world of this darkness, against the spirits of wickedness in the high places.

Colossians 1:29 Wherein also I labour, striving according to his working which he worketh in me in power.