There are two equal and eternal ways of looking at this twilight world of ours: we may see it as the twilight of evening or the twilight of morning; we may think of anything, down to a fallen acorn, as a descendant or as an ancestor.

G.K. Chesterton, A Defense of Nonsense, from The Defendant

In the context of ‘the already’ and ‘the not yet’ of the kingdom, we can see both at the same time. The Morning Star and the Evening Star are one and the same. This is why we can be both pessimists and optimists at the same time.