How long will you waver between two opinions?
If the LORD is God, follow him; but if Baal is God, follow him.
1 Kings 18:21
Generis considered the doctrine of "evolutionism" a serious hypothesis, worthy of investigation and in-depth study equal to that of the opposing hypothesis.
Pius XII added two methodological conditions: that this opinion should not be adopted as though it were a certain, proven doctrine and as though one could totally prescind from revelation with regard to the questions it raises. He also spelled out the condition on which this opinion would be compatible with the Christian faith, ....."
Pope John Paul II, Truth Cannot Contradict Truth, 1996