By so doing, you establish yourself as a Magician!
Floating Cigarette on a Credit Card
The effect is very straightforward and visual. The Magician places a borrowed cigarette on top of a credit card and it floats up and down with no visible means of support.
Carry around in your wallet all the time to perform at the drop of a hat. Very good trick to amaze everyone and anyone around you.
"I promise never to reveal the secret of any illusion unto the laity, unless one swears to maintain the Magician's Oath in turn. I promise never to execute any illusion for any layperson without practicing the effect before I could do it well enough to maintain the illusion of magic."
When you are devoted to learning, understanding, and mastering the magical arts, then you proudly stand and utter the above Magician's Oath.
By so doing, you establish yourself as a Magician!