Luke 9:62
But Jesus said unto him, No one, that hath put his hand to the plough and looketh back, is fit for the kingdom of God.
Acts 15:37-38
And Barnabas proposed to take with them John, who was surnamed Mark.
Philippians 3:13
Brethren, I count not myself to have attained it: but one thing I do, forgetting the things which are behind, and stretching forward to those before,
Hebrews 10:38
and the just shall live by faith, but if any draw back, my soul shall have no pleasure in him.
Luke 17:31-32
In that day, whoever shall be on the house-top, and his goods in the house, let him not come down into it to take them away: and he that is in the field, let him likewise not return back.
2 Timothy 4:10
through love of this world, and is gone to Thessalonica; as is Crescens to Galatia, and Titus to Dalmatia: Luke only is with me.
James 1:6-8
But let him ask in faith, nothing doubting; for he that doubteth is like a wave of the sea blown about and tossed by the wind.
2 Peter 2:20-22
For if, after they had escaped the pollutions of the world, through the knowledge of the Lord and Saviour Jesus Christ, they are again entangled and vanquished by them, their last state is worse than the first;