1 Corinthians 16:13

Be on the your guard, stand firm in the faith, act like men, be strong.

Ephesians 6:10-19

Finally, be strong in the Lord and in the strength of his might.

Hebrews 12:4

In your struggle against sin, you have not yet resisted to the point of shedding your blood.

Revelation 21:8

But as for the cowardly, the unbelieving, the immoral, as for murderers, fornicators, sorcerers, idolaters, and all liars, their lot will be in the lake that burns with fire and sulfur, which is the second death."

Treasury of Scripture Knowledge

Summary

Be ye therefore very courageous to keep and to do all that is written in the book of the law of Moses, that ye turn not aside therefrom to the right hand or to the left;

Bible References

Very

1 Corinthians 16:13
Be on the your guard, stand firm in the faith, act like men, be strong.
Ephesians 6:10
Finally, be strong in the Lord and in the strength of his might.
Hebrews 12:4
In your struggle against sin, you have not yet resisted to the point of shedding your blood.
Revelation 21:8
But as for the cowardly, the unbelieving, the immoral, as for murderers, fornicators, sorcerers, idolaters, and all liars, their lot will be in the lake that burns with fire and sulfur, which is the second death."