Now, now ... a little respect for your elders. -- I'm four times your age.
In fifteen years, I'll only be two and a half times your age.
Fifteen years after that, I'll be only twice as old as you.
You'd better slow down, kid. At the rate you're going, you'll pass me soon.
funny how that works
20?
Offer: I send you $20.
You send me 1 cent to start, and then double it every day for a year.
Deal?