6. If we have understood this, thanks be to God; but if any has not sufficiently understood, man has done as far as he could: as for the rest, let him see whence he may hope to understand. As laborers outside, we can plant and water; but it is of God to give the increase. “My doctrine,” saith He, “is not mine, but His that sent me.” Let him who says he has not yet understood hear counsel. For since it was a great and profound matter that had been spoken, the Lord Christ Himself did certainly see that all would not understand this so profound a matter, and He gave counsel in the sequel. Dost thou wish to understand? Believe. For God has said by the prophet: “Except ye believe, ye shall not understand.” To the same purpose what the Lord here also added as He went on—“If any man is willing to do His will, he shall know concerning the doctrine, whether it be of God, or whether I speak from myself.” What is the meaning of this, “If any man be willing to do His will”? But I had said, if any man believe; and I gave this counsel: If thou hast not understood, said I, believe. For understanding is the reward of faith. Therefore do not seek to understand in order to believe, but believe that thou mayest understand; since, “except ye believe, ye shall not understand.” Therefore when I would counsel the obedience of believing toward the possibility of understanding, and say that our Lord Jesus Christ has added this very thing in