Every soul that is born into flesh is soiled by the filth of wickedness and sin. . . . In the Church, baptism is given for the remission of sins, and, according to the usage of the Church, baptism is given even to infants. If there were nothing in infants which required the remission of sins and nothing in them pertinent to forgiveness, the grace of baptism would seem superfluous
OrigenThe Church received from the apostles the tradition of giving baptism even to infants. The apostles, to whom were committed the secrets of the divine sacraments, knew there are in everyone innate strains of [original] sin, which must be washed away through water and the Spirit
OrigenWhen anyone prays, the angels that minister to God and watch over mankind gather round about him and join with him in prayer.
OrigenIf someone considers the prophetic writings with all the diligence and reverence they are worth, while he reads and examines with great care, it is certain that in that very act he will be struck in his mind and senses by some more divine breath and will recognize that the books he reads have not been produced in a human way, but are words of God.
OrigenWhen Jesus then is with the multitudes, He is not in His house, for the multitudes are outside of the house, and it is an act which springs from His love of men to leave the house and to go away to those who are not able to come to Him.
OrigenEvery soul... comes into the world strengthened by the victories or weakened by the defeats of its' previous life. Its' place in this world as a vessel appointed to honor or dishonor, is determined by its' previous merits or demerits. Its' work in this world determines its' place in the world which is to follow this.
Origen