“There is a popular contention that half or more of the brain…”

“There is a popular contention that half or more of the brain is unused. From an evolutionary point of view this would be quite extraordinary: why should it have evolved if it had no function? But actually the statement is made on very little evidence.”

— Carl Sagan

Verification

Attributed

Recorded by a reliable secondary source; exact wording may differ.

Imported from Wikiquote; not yet checked by QuoteQuest against the original source.

Source

Title: Wikiquote: Carl Sagan
Type: reference · Secondary source
Held by: Wikiquote

View source at Wikiquote

Context

Chapter 2, “Genes and Brains” (p. 31)

Cite this source

Sagan, Carl. (n.d.). Wikiquote: Carl Sagan. Wikiquote. https://en.wikiquote.org/wiki/Carl_Sagan

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Provenance: Wikiquote (CC BY-SA)