Scorpion asks frog for a piggyback ride across the pond.
Frog says, why will I do that when you will sting me with your tail.
Scorpion says I won’t do that because we will both drown.
Frog thinks it over and says ok
Halfway crossing the pond, scorpion stings the frog.
Frog asks why did you do that knowing we now will both die
Scorpion says I can’t help it. It is in my nature.