he did it!

@fkfd Smart of him to add that preamble to his autograph.

@EvilKiru yeah if he hadn't done that I'd 100% walk into the bank and try to withdraw all the cash from diffie's account and when the clerk sighs and explains to me that's not how banking works I'll just pull up my slides and lecture them all the way up from the concept of prime numbers

@fkfd My thought was that he's prepared for the eventuality that someone might try to slip him a blank check to sign and he's trained himself to always add that preamble, "just in case".