About QuoteLineage

QuoteLineage is a knowledge platform dedicated to mapping the genealogy of human thought — tracking how ideas, wisdom, and philosophies have been passed down, transformed, and reimagined across 2,500+ years of recorded history.

Our Mission

We believe that ideas don't appear in isolation. Every philosopher, scientist, poet, and leader was shaped by those who came before them, and in turn shaped those who followed. QuoteLineage makes these invisible threads visible — connecting thinkers across centuries, cultures, and disciplines.

What We Offer

• Knowledge Graph — An interactive D3.js visualization of influence networks between thinkers.
• 244,000+ Quotes — Searchable, categorized, and linked to their authors and topics with full-text GIN search.
• 18,000+ Thinkers — Rich profiles with biography, timeline, works, influences, and regional heritage.
• Regional Browse — Explore wisdom by geography, from Ancient Greece to modern Silicon Valley.

Data & Attribution

Quote and author data is sourced from public domain collections, Wikidata, and Wikipedia. All content is presented for educational and cultural enrichment purposes. If you believe any content should be corrected or removed, please contact us.