Matthew 20:6

And going out about the eleventh hour, he found others standing without work, and saith to them, Why stand ye here all the day doing nothing?

John 6:27

Labour not so much for the meat that perisheth, but rather for that food which endureth unto life eternal, which the Son of man will give you: for Him hath God the Father sealed.

Philippians 3:13-14

Brethren, I count not myself to have attained it: but one thing I do, forgetting the things which are behind, and stretching forward to those before,

2 Peter 1:10-11

Wherefore, my brethren, be the more diligent thus to make your calling and election sure; for if ye do these things ye shall never fall.

Treasury of Scripture Knowledge

Summary

And Joshua said unto the children of Israel, How long are ye slack to go to possess the land, which the LORD God of your fathers hath given you?

Bible References

How long are

Matthew 20:6
And going out about the eleventh hour, he found others standing without work, and saith to them, Why stand ye here all the day doing nothing?
John 6:27
Labour not so much for the meat that perisheth, but rather for that food which endureth unto life eternal, which the Son of man will give you: for Him hath God the Father sealed.
Philippians 3:13
Brethren, I count not myself to have attained it: but one thing I do, forgetting the things which are behind, and stretching forward to those before,
2 Peter 1:10
Wherefore, my brethren, be the more diligent thus to make your calling and election sure; for if ye do these things ye shall never fall.