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The Library
of Alexandria

Leviathan by Thomas Hobbes, Chapter 30 summary

Chapter 30 of 65 · Part 2: Of the Commonwealth · 24 min to read the chapter

In Chapter 30, the speaker defines the sovereign’s duty as protecting people’s lives and lawful comforts through instruction, justice, and effective government while preserving undivided authority. He explains how education, taxation, public support, clear laws, measured punishment, rewards, and careful appointments serve public safety rather than private advantage.

What happens

  1. The speaker defines public safety broadly and argues that sovereigns must preserve their essential powers and teach people why obedience binds them.
  2. He outlines instruction in loyalty, parental respect, justice, and sincere intentions, then identifies universities as central sources of public teaching.
  3. He requires equal justice, consumption-based taxation, legal support for helpless people, and compulsory work for those physically able.
  4. He defines good laws as necessary and clear, and directs punishments and rewards toward public benefit.
  5. He recommends experienced, disinterested counselors, attention to local complaints, and commanders who combine military ability with loyalty.
  6. He closes by identifying international duties with natural law and placing sovereigns under God’s judgment through conscience.

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In this chapter

What to notice

The sentence distinguishes a useful law from a merely authorized one. It gives necessity and clarity as standards for legislation.

Quick check

What does the speaker identify as the proper purpose of punishment?

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