But everyone's an expert with the virtue of hindsight . . . .
The cause is hidden; the effect is visible to all.
Things always become obvious after the fact
It's tedious to watch something very obvious being worked out, like a movie that's not particularly good and after about half an hour you know how it's going to end.
The plot is so tired that even this reviewer, who in infancy was let drop by a nurse with the result that she has ever since been mystified by amateur coin tricks, was able to guess the identity of the murderer from the middle of the book.
Beyond this day, no thinking person could fail to see what would happen.
The cause is hidden, but the result is known. [Lat., Causa latet: vis est notissima.]
