Let’s take example of Consciousness. We learned about it via expertise of different experts and each one of them can counter or ‘?’ others’ claims, findings & opinions. As, is it mere attentiveness or alertness or memory or subjective experience or illusions or intuitions or being awakened or sense of being awakened or cosmic external connection via energies & so on; but we were able to learn about its different forms. And that’s the beauty of Science! How? Because of presence of ‘?,’ counter findings, contradictory reviews; as nothing presently exists in singularity or in absolute. And shouldn’t be even considered in that perspective, at least up till present......