On Kingship
This treatise asks why communities require direction, compares forms of government and criticizes tyranny as rule oriented to the ruler’s private advantage.
Understanding the text
Written for the king of Cyprus and left unfinished, the transmitted work received a continuation attributed to Ptolemy of Lucca; editions do not always delimit the text identically.
Key points
- 01
Common good
Just government aims at the whole community rather than its leader’s private benefit.
- 02
Tyranny
Concentrated power becomes dangerous when it serves particular interests and destroys civic concord.
- 03
Prudence
Acting against a tyrant requires attention to institutions and possible consequences.
How to read it
Check where your edition separates Thomas’s portion from its later continuation.
Editions & sources
Summaries and key points are original editorial interpretations. They accompany reading the work and do not replace an edition of the text. Editorial method ↗