“What persons may and may not do to one another limits what they may do through the apparatus of a state, or do to establish such an apparatus.”
Source: Anarchy, State, and Utopia (1974), Ch. 1 : Why State of Nature Theory?; Political Philosophy, p. 6
Context: Some anarchists have claimed not merely that we would be better off without a state, but that any state necessarily violates people's moral rights and hence is intrinsically immoral. Our starting point then, though nonpolitical, is by intention far from nonmoral. Moral philosophy sets the background for, and boundaries of, political philosophy. What persons may and may not do to one another limits what they may do through the apparatus of a state, or do to establish such an apparatus.
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Robert Nozick 32
American political philosopher 1938–2002Related quotes

at length I cried,
Tired of the painful task.
The fairy quietly replied,
And said "You must not ask."
My Fairy
Useful and Instructive Poetry (1845)

“My duty is not affected by what others may or may not do to discharge their own.”
quote from Honor Harrington
"Honorverse", On Basilisk Station (1993)

Variant translation: Artificial flight may be defined as that form of aviation in which a man flies at will in any direction, by means of an apparatus attached to his body, the use of which requires the dexterity of the user.
The Romance of Aeronautics (1912)
Context: Artificial flight may be defined as that form of aviation in which a man flies at will in any direction by means of an apparatus attached to his body, the use of which requires personal skill. Artificial flight by a single individual is the proper beginning for all species of artificial flight, as the necessary conditions can most easily be fulfilled when man flies individually.

Il faut avoir une haute idée, non pas de ce qu'on fait, mais de ce qu'on pourra faire un jour; sans quoi ce n'est pas la peine de travailler.
"Mad About Drawing" (p. 64)
posthumous quotes, Degas Dance Drawing' (1935)

Appeal for the Hospital The Pennsylvania Gazette (8 August 1751).
1760s

5. U.S. (1 Cranch) 137, 177
Marbury v. Madison (1803)

“Do what is right, though the world may perish.”
This is quoted as Kant in Building Academic Language: Essential Practices for Content Classrooms, Grades 5-12 (2007) by Jeff Zwiers, p. 202, but apparently derives from Kant's arguments in support of the far older Latin proverb Fiat iustitia, pereat mundus — "Do what is right though the world should perish." which was the subject of an essay: "Kant on the Maxim 'Do What Is Right Though the World Should Perish'" by Sissela Bok, in Argumentation 2 (February 1988). There was also a similar latin proverb Fiat iustitia ruat caelum — Let justice be done though the heavens fall.
Misattributed

Context: The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what's true. We have a method, and that method helps us to reach not absolute truth, only asymptotic approaches to the truth — never there, just closer and closer, always finding vast new oceans of undiscovered possibilities. Cleverly designed experiments are the key.

Corinne’s Chant in the Vicinity of Naples
Translations, From the French