you sit in a classroom and soon see a powerful being walk in and he looks extremely annoyed/mad until he changes to a neutral expression. He then starts to speak..

“ Pi is an irrational constant. Equals the circumference divided by the diameter of the same circle. This applies to every single circle, As long as it's not a square! Pi is equal to 3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651328230...”