Stephen Hawking · 2018 | ChronoCite

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c. 2018Exact date was not recorded in the sourceDirect quote65% confidence

Stephen Hawking

“Opis: o cywilizacjach pozaziemskich”

Wikiquote (pl)Trusted source1 sourceLive source Archived

#wikiquote
#saying
#undated
#lang:pl

Captured 2026-08-20 from Wikiquote (pl). The archived copy is preserved so this citation survives link rot.

Stephen Hawking · 2018 | ChronoCite