ChronoCite

Public figure timelines

Avicenna timeline

Direct quote76% confidence

Avicenna

“if the perception of light is due to the emission of some sort of particles by a luminous source, the speed of light must be finite.”
WikipediaTrusted source1 sourceLive sourceArchived
  • #wikipedia
  • #quote
Permalink

Captured 2026-08-15 from Wikipedia. The archived copy is preserved so this citation survives link rot.