Claims Quote by Carl Sagan

Extraordinary claims require extraordinary evidence.

— Carl Sagan

“An extraordinary claim requires extraordinary proof. ('On the Extraordinary: An Attempt at Clarification", Zetetic Scholar, Vol. 1, No. 1, p. 11, 1978)”

— Marcello Truzzi

Exceptional claims, require exceptional evidence.

— Christopher Hitchens

I believe that the extraordinary should be pursued. But extraordinary claims require extraordinary evidence.

— Carl Sagan

Extraordinary claims demand extraordinary evidence

— Carl Sagan

“extraordinary claims require extraordinary investigation”

— Anonymous

Extraordinary observations require extraordinary evidence.

— Buzz Aldrin

The weight of evidence for an extraordinary claim must be proportioned to its strangeness.

— Pierre-Simon Laplace

Extraordinary observations require extraordinary evidence to make them believable.

— Carl Sagan

“Don't be an Extraordinary, you have to be extra in Extraordinary”

— Vishvendra Singh Nathawat

The extraordinary's the norm.

— Clive Barker

You can't always do the extraordinary, in between you have to do the ordinary. Because if you didn't, what would constitute the extraordinary?

— Christoph Waltz