We need a new and
authentic development of doctrine that will allow us to see the mysteries of human sexuality and its sacred meanings more clearly so we can proclaim it to the world with greater clarity.
Early on, in the chapters on contraception, Wills appears to take the familiar «liberal» position that the popes and their apologists are guilty of thwarting
authentic development of doctrine and of ignoring the sensus communis of the laity.
And because the Holy Spirit is active in the Church, we also find
authentic development of doctrine.
In the Essay, Newman identifies several «notes» (he does not go so far as to call them «tests») of
an authentic development of doctrine.