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Two thinkers, side by side

Life

Portrait of Peter Abelard
Peter Abelard

1079 CE – 1142 CE

MedievalScholastic

The sharpest logician in Paris and the most famous lover. His mind cut through every argument. His heart cost him everything.

Portrait of Thomas Aquinas
Thomas Aquinas

1225 CE – 1274 CE

MedievalScholastic

He reconciled Aristotle with Christianity and wrote the most systematic theology ever attempted. Then he stopped, saying all he had written was straw.

Connection

Peter Abelard methodological influence Thomas Aquinas — Abelard's Sic et Non method of placing authorities in dialogue became the foundation of the scholastic question format Aquinas used.

Shared Ideas

The Problem of Universals

Shared Places

Paris

Ideas

ReasonThe Problem of Universals
Faith & ReasonNatural LawBeingGrace & Free WillThe Problem of Universals

Words

“The beginning of wisdom is found in doubting; by doubting we come to the question, and by seeking we may come upon the truth.”

— Peter Abelard

“To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.”

— Thomas Aquinas

“The things that we love tell us what we are.”

— Thomas Aquinas

Key Moments

c. 1108 CE

Teaching in Paris

c. 1117 CE

The Affair with Heloise

c. 1120 CE

Writes Sic et Non

1142 CE

Death at Saint-Marcel

1245 CE

Studies in Paris and Cologne

1265 CE

Writes the Summa Theologica

December 1273 CE

The Mystical Experience

1274 CE

Dies on the Road

Works

Sic et Non

Summa Theologica

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Volume I · Ancient Greece · 624-262 BCE