Jesus said to him, "No one who puts his hand to the plow and looks back is fit for the kingdom of God."
Mark 8: 36 - 38
"For what does it profit a man, to gain the whole world and forfeit his life? 37 For what can a man give in return for his life? 38 For whoever is ashamed of me and of my words in this adulterous and sinful generation, of him will the Son of man also be ashamed, when he comes in the glory of his Father with the holy angels."
Luke 17: 32
"Remember Lot's wife."
2 Pet 2: 20, 21
For if, after they have escaped the defilements of the world through the knowledge of our Lord and Savior Jesus Christ, they are again entangled in them and overpowered, the last state has become worse for them than the first.
Ezra 8: 22 b
The hand of our God is for good upon all that seek him, and the power of his wrath is against all that forsake him.
Gal 5: 1
For freedom Christ has set us free; stand fast therefore, and do not submit again to a yoke of slavery.
Rev 3: 11 b
"Hold fast what you have, so that no one may seize your crown."
Heb 11: 15, 16
If they had been thinking of that land from which they had gone out, they would have had opportunity to return. 16 But as it is, they desire a better country, that is, a heavenly one. Therefore God is not ashamed to be called their God, for he has prepared for them a city.
Dan 12: 2
And many of those who sleep in the dust of the earth shall awake, some to everlasting life, and some to shame and everlasting contempt.