The gracious gift of likeness to God was not given to a mere section of humanity, to one individual man; no, it is a perfection that finds its way in equal measure to every member of the human race. This is shown by the fact that all men possess ‑ mind. Everybody has the power to think and plan, as well as all the other powers that appear distinctively in creatures that mirror the divine nature. On this score there is no difference between the first man that ever was and the last that ever will be all bear the stamp of divinity. Thus the whole of humanity was named as one man, since for the Divine Power there is neither past nor future. What is still to come, no less than what is now, is governed by his universal sway.
13 March 2012
Responding to a claim that the equality of the sexes was established by a technological advance, the invention of the contraceptive pill, The Pittsford Perennialist: Modernity's Debased View of Woman's Equality quotes St Gregory of Nyssa (4th century):