There’s a phrase going around in the common lexicon just now, which I have a sympathy for, but cannot bring myself to use, because of its vulgarity. Captain Jean-Luc Picard of Star Trek: Next Generation has the perfect substitute:
“You may test that assumption at your convenience.”
I made a lovely graphic of those words on a star-lit sky to go along with this blog post, but my WordPress skills are not up to the task. So you use your imagination, and check out my facebook page if you need to see it in some other way than with your mind’s eye.