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Two thinkers, side by side

Life

Portrait of John of Salisbury
John of Salisbury

c. 1120 CE – 1180 CE

ScholasticMedievalPolitical

He wrote the first comprehensive work of medieval political philosophy, and saw his closest friend murdered at an altar.

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.

Connection

Peter Abelard student in Paris John of Salisbury — John studied under Abelard on Mont Sainte-Genevieve and left the warmest surviving portrait of him as a teacher, alongside a clear-eyed account of what the Paris schools were actually like.

Shared Places

Paris

Ideas

JusticeLegalism
ReasonThe Problem of Universals

Words

“Between a tyrant and a prince there is this single difference: the prince obeys the law, and rules the people by its dictates, accounting himself their servant.”

— John of Salisbury

“We are like dwarfs on the shoulders of giants: we see more and farther than they, not because our sight is sharper, but because we are lifted by their stature.”

— John of Salisbury

“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

Key Moments

1136 CE

Twelve years in the Paris schools

c. 1147 CE

Secretary at Canterbury

1170 CE

Witness to Becket's murder

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

Works

Policraticus

Sic et Non

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Volume I · Ancient Greece · 624-262 BCE