Self Questioning quotes

Self Questioning

4 quotes on this topic — from poets, philosophers, and thinkers across history.

4 quotes
Carl Sagan
Carl Sagan Astronomer, Astrophysicist

"Indeed the reasoned criticism of a prevailing belief is a service to the proponents of that belief; if they are incapable of defending it, they are well advised to abandon it. This self-questioning and error-correcting aspect of the scientific method is its most striking property."

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