looked.

Genesis 19:17
As soon as the men had brought them out, one of them said, "Run for your lives! Do not look back, and do not stop anywhere on the plain! Flee to the mountains, or you will be swept away!"

Proverbs 14:14
The backslider in heart will have the fill of his own ways, but a good man will be rewarded for his.

Luke 17:31, 32
On that day, let no one on the housetop come down to retrieve his possessions. Likewise, let no one in the field return for anything he has left behind. . . .

Hebrews 10:38
But My righteous one will live by faith; and if he shrinks back, I will take no pleasure in him."

and.

Numbers 16:38
As for the censers of those who sinned at the cost of their own lives, hammer them into sheets to overlay the altar, for these were presented before the LORD, and so have become holy. They will serve as a sign to the Israelites."