It is impossible to lick your elbow.
According to Genesis 1:20-22, the chicken came before the egg.
You are more likely to get attacked by a cow than a shark.
A cockroach can live 9 days without its head before it starves to death.
It has been calculated that in the last 3,500 years, there have only been 230 years of peace throughout the civilized world.
The "sixth sick sheik's sixth sheep's sick" is said to be the toughest tongue twister in the English language.
[I'll bet you tried to lick your elbow]