And if a man also strive for masteries, yet is he not crowned, except he strive lawfully.
2 Timothy 2:5
King James Version (public domain)
Traditionally attributed to Paul · 1st century AD · Thirteen epistles of the New Testament are traditionally attributed to him
Context
3Thou therefore endure hardness, as a good soldier of Jesus Christ.
4No man that warreth entangleth himself with the affairs of this life; that he may please him who hath chosen him to be a soldier.
5And if a man also strive for masteries, yet is he not crowned, except he strive lawfully.
6The husbandman that laboureth must be first partaker of the fruits.
7Consider what I say; and the Lord give thee understanding in all things.