Montesquieu, Bentham, Mill, Hegel and Marx

Political Science · Political thought. The idea in plain words, the rules to remember, the mistake to avoid and a worked example, written and checked by Mega Lecture.

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The idea

Montesquieu held that liberty is safe only when legislative, executive and judicial powers lie in different hands, so that power checks power. Bentham and J. S. Mill judged laws by their results: the greatest happiness of the greatest number. Mill added that some pleasures are higher than others and that individual liberty must be protected.

Hegel saw history as the progress of ideas through conflict, and the state as the highest form of ethical life, in which freedom is realised.

Marx kept Hegel's dialectic but made material conditions, not ideas, the moving force. The way a society produces its goods shapes everything else, and history advances through the struggle of classes.

Rules to remember

Common mistake

Hegel and Marx both use the dialectic, but in opposite ways. For Hegel ideas drive history (idealism); for Marx material and economic conditions drive it (materialism).

Worked example

In a certain country the president may issue laws by decree and also dismiss judges at will. What would Montesquieu say about liberty there, and why?

  1. Issuing laws is legislative power; the president already holds executive power.
  2. Dismissing judges at will puts judicial power under the same hand.
  3. With all three powers joined, nothing checks their abuse.

Answer: Liberty is in danger, because the three powers are not separated.

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