1 Corinthians 16:13

Be watchful, stand fast in the faith, behave like men, be strong:

Ephesians 6:10-19

Moreover, my brethren, strengthen yourselves in the Lord, and in his mighty power.

Hebrews 12:4

for ye have not resisted unto blood in striving against sin.

Revelation 21:8

But the fearful, and faithless, and abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars shall have their part in the lake that burneth with fire and brimstone; 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 watchful, stand fast in the faith, behave like men, be strong:
Ephesians 6:10
Moreover, my brethren, strengthen yourselves in the Lord, and in his mighty power.
Hebrews 12:4
for ye have not resisted unto blood in striving against sin.
Revelation 21:8
But the fearful, and faithless, and abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars shall have their part in the lake that burneth with fire and brimstone; which is the second death.