Bible Verses about 'Lost'

For the Son of Man has come to seek out and to save what was lost.
Luke 19:10 salvation Jesus seeking
You are the salt of the earth. But if salt loses its taste, what can be done to make it salty once again? It is no longer good for anything, and thus it is cast out and trampled underfoot.
Matthew 5:13 sin obedience evangelism

I am confident that I will behold the goodness of the Lord
in the land of the living.
Psalm 27:13 goodness trust
In the same way, I tell you, there will be more rejoicing in heaven over one sinner who repents than over ninety-nine righteous people who have no need of repentance.
Luke 15:7 conversion repentance joy