The 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
OrigenHe who is anxious to attain a true understanding of holy Scripture, will discover the spiritual truths which are spoken by it to those who are called "spiritual," by comparing the meaning of what is addressed to those of weaker mind with what is announced to such as are of acuter understanding, both meanings being frequently found in the same passage by him who is capable of comprehending it.
OrigenGod puts Christ's enemies as a footstool beneath His feet, for their salvation as well as their destruction.
OrigenIt can be shown that an incorporeal and reasonable being has life in itself independently of the body... then it is beyond a doubt bodies are only of secondary importance and arise from time to time to meet the varying conditions of reasonable creatures. Those who require bodies are clothed with them, and contrariwise, when fallen souls have lifted themselves up to better things their bodies are once more annihilated. They are ever vanishing and ever reappearing.
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