“
The rule is, jam to-morrow and jam yesterday—but never jam to-day.”
“It must come sometimes to ‘jam to-day,’” Alice objected.
“No, it ca’n’t,” said the Queen. “It’s jam every other day: to-day isn’t any other day, you know
”
”
Lewis Carroll (Through the Looking-Glass and What Alice Found There (Alice's Adventures in Wonderland, #2))