When an unwritten law gets written down - as per an answer to your question on this forum - is it still an unwritten law? Rhetorical question - just explains why you can't be told.
He might not be able to, but you could. Just take a little out of Felicity's coin purse and you can purchase quite a bit
Have you folks seen this? The references are a little dated now, but if you've been around long enough to recognize various technology brands, it's hilarious.