I. Names Applied to the Systematic Presentation of Theology There was little or no attempt in the first two centuries of the Christian era to present the whole body of doctrinal truth, gathered from the Word of God, in a systematic way. Yet the urge of the human mind to see the truth as much as possible as a whole could not long be suppressed. Man is endowed with reason, and the human reason cannot rest satisfied with a mere collection of separate truths, but wants to see them in their mutual relationship,