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and ye shall receive the Holy Ghost.' This Peter it was that denied Christ, but now doth plainly declare him unto all people: Here is the unworthiness of those that look back by sin: and on the other side, No man that putteth his hand to the plough, and looketh back, is fit for the kingdom of God,' Luke ix 62. But Peter looked back, by denying his Lord and Master Jesus Christ. It is a most certain truth, that God hath given unto us eternal life. So this is as certain, that this life is in his Son, and in the next verse, He that hath the Son hath life, and he that hath not the Son hath not life, 1 John v. 11, 12.
Now we may see, how blessed a thing it is to have the Son of God in our hearts by fasting and prayers, and by faith and truth: He that hath faith hath life eternal for evermore in the kingdom of heaven. The prophet David's prayer or arithmetic is thus termed; 'Teach us O Lord to number our days, that we may apply our hearts unto wisdom,' Psalm xc. 10.
Peter, wept because of the weight of grief and sorrow for denying his Lord and Master Jesus Christ, which made him for doing that deed say, Troubles have compassed me round about, my heart is vexed and troubled, my sins are always before mine eyes, which so grievously torment my conscience, and labour to bear me down to hell: There is no peace for the terror of the Lord; I refuse to be comforted, I am troubled, and my spirit doth afflict me;
