Lewis’ lion drank from the same theological well as Arnobius:
You may object and rejoin, Why was the Saviour sent forth so late? In unbounded, eternal ages, we reply, nothing whatever should be spoken of as late. For where there is no end and no beginning, nothing is too soon, nothing too late. For time is perceived from its beginnings and endings, which an unbroken line and endless succession of ages cannot have
ANF 6: Fathers of the Third Century, Seven Books of Arnobius Against the Heathen, II.75, pg. 463.
Pushing a Feather 