Simplify the following text for a Grade 7 native English-speaking person.
Original: Godwin 's law ( also known as Godwin 's Rule of Nazi Analogies or Godwin 's Law of Nazi Analogies ) is a humorous observation made by Mike Godwin in 1990 which has become an Internet adage .
Simplified: Godwin 's Law ( also known as Godwin 's Rule of Nazi Analogies ) is a saying made by Mike Godwin in 1990 .