Attention Customers! We Follow a 100% Proofing Policy. No Exceptions!
Imagine how tedious and time-consuming such a policy would be.
Think the sky is blue? Prove it.
Think it’s Friday? Prove it.
Think you are my sister? Prove it.
Think this sign does not mean what I think it means? Prove it.
Think that’s air you’re breathing now? Prove it.
Think that the universe isn’t a reflection of my subconscious mind? Prove it.
Think that I’m missing a third example that would give this post a really nice balance? Prove it.
My first reaction: this store is demanding that all alcoholic beverages — or, perhaps, all beverages — be at least 50% ethanol. The use of “proofing” as a verb implies that they will top up your liquid with liquor if necessary.
And welcome back to geometry in the first year of high school. You might know its right, but you still have to give the teacher the proof!