Matthew 24:16-18
then let those who are in Judaea fly to the hills;
Matthew 3:7
But when he noticed a number of the Pharisees and Sadducees coming for his baptism, he said to them, "You brood of vipers, who told you to flee from the coming Wrath?
Luke 9:62
Jesus said to him, "No one is any use to the Reign of God who puts his hand to the plough and then looks behind him."
Luke 17:31-32
On that day, if a man is on the housetop and his goods inside the house, he must not go down to fetch them out; nor must a man in the field turn back
Philippians 3:13-14
Brothers, I for one do not consider myself to have appropriated this; my one thought is, by forgetting what lies behind me and straining to what lies before me,
Hebrews 2:3
how shall we escape the penalty for neglecting a salvation which was originally proclaimed by the Lord himself and guaranteed to us by those who heard him,