There is a bathroom with a magic mirror. The mirror is magic that if you lie to the mirror you will disappear forever.
A model walks into the bathroom and starts washing his hands, he looks to himself in the mirror and goes "I am the most beautiful person in the world" and POOF he disappears.
A computer programer walks into the bathroom and starts washing his hands, he looks to himself in the mirror and goes "I am the smartest person in the world" and POOF he disappears.
A politician walks into the bathroom and starts washing his hands, he looks to himself in the mirror and goes "I think..." and POOF he disappears.