Theory Jokes

Two students talk:
"What are you reading?"
"Quantum physics theory book."
"But why are you reading it upside-down?"
"It makes no difference anyway."
There is no theory of evolution.
Just a list of animals Chuck Norris allows to live.
“I want to tell you about the "sausage principle." The theory says, "If you love something, never try to find out how it is done."”
― Unknown
I don’t get why people buy into the flat earth theory.
I mean, the arguments for it aren’t exactly well rounded.
There is no theory of evolution, just a list of creatures Chuck Norris allows to live.
Einstein developed a theory about space. And it was about time too.