John 6:27

Do not labor for the food which perishes, but for the food which endures to eternal life, which the Son of Man will give to you; for on him has God the Father set his seal."

Hebrews 6:11-12

And we desire each one of you to show the same diligence in realizing the full assurance of hope until the end,

2 Peter 1:10-11

Therefore, brethren, be all the more eager to make your calling and election sure. For if you do these things, you will never fall;

Treasury of Scripture Knowledge

Summary

And they said, Arise, that we may go up against them: for we have seen the land, and, behold, it is very good: and are ye still? be not slothful to go, and to enter to possess the land.

Bible References

Be not

John 6:27
Do not labor for the food which perishes, but for the food which endures to eternal life, which the Son of Man will give to you; for on him has God the Father set his seal."
Hebrews 6:11
And we desire each one of you to show the same diligence in realizing the full assurance of hope until the end,
2 Peter 1:10
Therefore, brethren, be all the more eager to make your calling and election sure. For if you do these things, you will never fall;