Luke 9:62
And Jesus said to him, "No one, having put his hand to a plow, and looking back, is fit for the Kingdom of God."
Acts 15:37-38
And Barnabas was desiring to take with them John also, who was called Mark.
Philippians 3:13
Brethren, I do not account myself to have laid hold of it; but one thing I do, forgetting the things which are behind, and reaching forth to the things before.
Hebrews 10:38
"But My righteous one shall live by faith, and, if he draw back, My soul has no pleasure in him."
Luke 17:31-32
"In that day let him who shall be on the housetop and his goods in the house not come down to take them away: and let him who is in the field likewise not return back.
2 Timothy 4:10
for Demas forsook me, having loved this present age, and went to Thessalonica; Crescens, to Galatia; Titus, to Dalmatia.
James 1:6-8
but let him ask in faith, nothing doubting; for he who doubts is like a wave of the sea, wind-driven and tossed.
2 Peter 2:20-22
For if, after having escaped the defilements of the world in a full knowledge of our Lord and Savior Jesus Christ, but, having again become entangled with these, they are overcome, the last state has become worse with them than the first.