John 6:27

You must not work for the food that perishes, but for that which lasts for eternal life, which the Son of Man will give you, for God the Father has authorized him to do so."

Hebrews 6:11-12

But we want each of you to exhibit this same earnestness to the very end with regard to your confidence in your hope,

2 Peter 1:10-11

Therefore, brothers, make all the greater efforts to make God's call and choice of you certain. For if you have these qualities, you will never stumble,

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
You must not work for the food that perishes, but for that which lasts for eternal life, which the Son of Man will give you, for God the Father has authorized him to do so."
Hebrews 6:11
But we want each of you to exhibit this same earnestness to the very end with regard to your confidence in your hope,
2 Peter 1:10
Therefore, brothers, make all the greater efforts to make God's call and choice of you certain. For if you have these qualities, you will never stumble,