30.  And many are the proofs concerning the life eternal.  And when we desire to gain this eternal life, the sacred Scriptures suggest to us the ways of gaining it; of which, because of the length of our discourse, the texts we now set before you shall be but few, the rest being left to the search of the diligent.  They declare at one time that it is by faith; for it is written, He that believeth on the Son hath eternal life John iii. 36., and what follows; and again He says Himself, Verily, verily, I say unto you, He that heareth My word, and believeth Him that sent Me, hath eternal life Ib. v. 24., and the rest.  At another time, it is by the preaching of the Gospel; for He says, that He that reapeth receiveth wages, and gathereth fruit unto life eternal Ib. iv. 36..  At another time, by martyrdom and confession in Christ’s name; for He says, And he that hateth his life in this world, shall keep it unto life eternal Ib. xii. 25..  And again, by preferring Christ to riches or kindred; And every one that hath forsaken brethren, or sisters Matt. xix. 29., and the rest, shall inherit eternal life.  Moreover it is by keeping the commandments, Thou shalt not commit adultery, Thou shalt not kill Ib. vv. 16–18., and the rest which follow; as He answered to him that came to Him, and said, Good Master, what shall I do that I may have eternal life Mark. x. 17.?  But further, it is by departing from evil works, and henceforth serving God; for Paul says, But now being made free from sin, and become servants to God, ye have your fruit unto sanctification, and the end eternal life Rom. vi. 22..