Extraordinary claims require extraordinary evidence

“ Extraordinary claims require extraordinary evidence. ”

Meaning

This quote means you should not accept big assertions without strong proof.

About Author

Carl Sagan

Carl Sagan was an American astronomer, cosmologist, and science communicator, known for making science accessible through books and the TV series Cosmos. His quotes often reflect curiosity, wonder, and the importance of scientific exploration. Sagan inspires scientists, educators, and the public to embrace learning, critical thinking, and the awe of the universe.

Related Quotes

“ We are made of star stuff. We are a way for the cosmos to know itself. ”

This quote means humans are part of the universe and can help the cosmos understand itself.

“ Science is more than a body of knowledge; it is a way of thinking, a way of skeptically interrogating the universe. ”

This quote means science is a mindset of skepticism and testing, not just stored facts.