2 plus 2 still equals 4

What is Science?

Josef Essberger
Carl Sagan’s warning about democracy, science and technology


[1:40-2:12] Science is more than a body of knowledge. It’s a way of thinking. A way of skeptically interrogating the universe with a fine understanding of human fallibility. If, if we are not able to ask skepticle questions, to interrogate those who tell us that something is true, to be skeptical of those in authority – then we’re up for grabs for the next charlatan, political or religious, who comes ambling along.

EnglishClub Wordchecker

  • skeptical (adjective): not easily convinced
  • interrogate (verb): to ask detailed questions of (someone)
  • fallibility (noun): tendency to make mistakes or be wrong
  • up for grabs (expression): available
  • charlatan (noun): a person who claims to have special knowledge or skill
  • amble (verb): to walk at a slow and relaxed pace

Carl Edward Sagan (1934-1996) was a celebrated American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator.

What do you think about science? Do you agree with Carl Sagan? Please leave your ideas in Comments below…

By Josef Essberger for EnglishClub September 2021
Josef started teaching English as a foreign language in 1991 and founded EnglishClub for learners and teachers in 1997.


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Nobody has the right to obey.'