Clement of Alexandria of the second and third centuries said: “They who are laboring after excellency will not stop in their search after truth, until they have obtained proof of that which they believe from the Scriptures themselves. ”
देव, ख्रिस्त व पवित्र आत्मा तिन्ही मिळून एक आहेत असे सुरवातीचे ख्रिस्ती मानत नव्हते.