The holy grail is being able to walk up to a spectator - 100% impromptu - and be able to tell them what they are thinking of.
Mind readers and mentalists have tried to come up with the perfect method for being able to do this for years and years.
There are a range of different methods you could use but there is one which I've recently discovered which I think beats them ALL hands down.
This method is called "The Revelation Technique".
I first found out about the revelation technique when I received an email from someone who back then was just a stranger - his name was, and still is funnily enough, 'Michael'.
The email was rather mysterious and was sent purposely to grab my attention.
As I read the email I was a little suspicious of what he was claiming..
"Imagine, you ask someone to think of something - anything - they tell no one, yet you now have the power to reveal that secret thought..
" I've been in this game long enough to know these claims are usually a let down when you finally see the method.
So I spoke with Michael over the course of a few weeks and he finally let me in on the secret in exchange for a few of my own secrets.
I was blown away.
Finally! A brand new trick I could add to my arsenal of already very impromptu tricks, and this was to eventually be my favourite.
So perhaps the holy grail of mind reading and mentalism has been found? I really think this is the closest we'll get in a very, very long time.