Theology must be man's critical reflection on himself, on his own basic principles. Only with this approach will theology be a serious discourse, aware of itself, in full possession of its conceptual elements.

Far from having become 1900 years ago a stagnant or dried-up religion, as Christian theology declares, Judaism has ever remained "a river of God full of living waters," which, while running within the river-bed of a single nation, has continued to feed anew the great streams of human civilization.

If the Father begat the Son, he that was begotten had a beginning of existence: and from this it is evident, that there was a time when the Son was not. It therefore necessarily follows, that he had his substance from nothing.