Scientific literatureConsciousness... Is the phenomenon whereby the universe's very existence is made known.Roger Penrose1989★ 3.5
Scientific literatureIn the discovery of secret things and in the investigation of hidden causes, stronger reasons are obtained from sure experiments and demonstrated arguments than from probable conjectures and the opinions of philosophical speculators of the common sort.William GilbertDe Magnete · 1600★ 3.5
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