Luke 9:62
And Jesus said unto him, No one having put his hand to the plough and looking back is fit for the kingdom of God.
Psalm 78:8-9
and might not be as their fathers, a stubborn and rebellious generation, a generation that did not set their heart aright and whose spirit was not steadfast with God.
Acts 15:37-38
And Barnabas determined to take with them John, whose surname was Mark.
Philippians 3:13
Brethren, I do not reckon to have laid hold of it yet, but this one thing I do, forgetting those things which are behind and extending myself unto those things which are ahead,
Hebrews 10:38
Now the just shall live by faith, but if any man draws back, my soul shall have no pleasure in him.
Luke 17:31-32
In that day, he who shall be upon the housetop and his stuff in the house, let him not come down to take it away; and he that is in the field, let him likewise not turn back.
2 Timothy 4:10
for Demas has forsaken me, having loved this present world and is departed unto Thessalonica; Crescens to Galatia, Titus unto Dalmatia.
James 1:6-8
But ask in faith, not doubting anything. For he that doubts is like the wave of the sea which is driven of the wind and is tossed from one side to another.
2 Peter 2:20-22
Certainly, if having separated themselves from the contaminations of the world, by the knowledge of the Lord and Saviour Jesus Christ, they again entangle themselves therein and are overcome, their latter end is made worse for them than the beginnings.