Luke 9:62
Jesus said to him, "No one who puts his hand to the plow and looks back is fit for the kingdom of God."
Psalm 78:8-9
and that they should not be like their fathers, a stubborn and rebellious generation, a generation whose heart was not steadfast, whose spirit was not faithful to God.
Acts 15:37-38
Now Barnabas wanted to take with them John called Mark.
Philippians 3:13
Brothers, I do not consider that I have made it my own. But one thing I do: forgetting what lies behind and straining forward to what lies ahead,
Hebrews 10:38
but my righteous one shall live by faith, and if he shrinks back, my soul has no pleasure in him."
Luke 17:31-32
On that day, let the one who is on the housetop, with his goods in the house, not come down to take them away, and likewise let the one who is in the field not turn back.
2 Timothy 4:10
For Demas, in love with this present world, has deserted me and gone to Thessalonica. Crescens has gone to Galatia,Titus to Dalmatia.
James 1:6-8
But let him ask in faith, with no doubting, for the one who doubts is like a wave of the sea that is driven and tossed by the wind.
2 Peter 2:20-22
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 overcome, the last state has become worse for them than the first.