I explained that Sarek needed to contact each author separately for permission. He called this illogical, and we argued briefly.
However, to sign off on a friendly note, I said, "Dif-tor heh smusma!"
"I'm sorry, I don't understand."
"Live long and prosper!" I repeated. "In Vulcan?"
"Yes, but I am already old, and you do not wish me to prosper. It's illogical."
"Now that you mention it..." I thought, then blocked him.