The Last Book Shelf
Download
canon · Philosophy
— Philosophy —
Cover of Reasons and Persons by Derek Parfit

Reasons and Persons

Derek Parfit
— 1984 —
“
The most important work of moral philosophy in the late 20th century.

Decide its fate

The record

  • Time

    An eveningA season

    560 pages, about 11 hours: the length of 1.8 typical books on the shelf.

  • Getting in

    Walk right inSteep climb

    Part One opens with the claim that self-interest theory and common-sense morality are collectively self-defeating.

  • One of a kind

    Others do thisNothing else does

    A reader compares Parfit’s use of detailed examples to Douglas Hofstadter’s.

The case for it

  • on personal identity

    “ends up leading to powerful conclusions about ethics and morals”

    a book blog
  • on its scope

    “Very few works in the subject can compare with Parfit’s in scope, fertility, imaginative resource”

    P. F. Strawson · The New York Review of Books, 1984
  • on analytic philosophy

    “I loved and gave me a sense of how powerful analytic philosophy can be”

    David Chalmers · What Is It Like to Be a Philosopher?, 2016
  • on Part 3

    ““self” being a false construct is both the best part and the easiest to read”

    a book blog

The case against

  • on the Two Hells

    “Two Hells are both so utterly implausible that I immediately become suspicious of any conclusions”

    a book blog
  • on the arguments

    “happy to double the difficulty for 10% more precision”

    a book blog
  • on meta-ethics coverage

    “spends virtually no time on meta-ethics (perhaps too little)”

    Bernard Williams · London Review of Books, 1984
  • on its difficulty

    “This is, it has to be said, a difficult book.”

    a book blog

Time is counted from its page count. Getting in and One of a kind apply written rules to what reviewers report. Quotes were checked on their pages on 29 September 2026. Loved, Disliked and Staying power appear once enough readers here have finished the book.

11h
honest hours
16
sittings
beyond the verdict
get it from an independent bookstore
if you loved this, read these →
Cover of Do Androids Dream of Electric Sheep? by Philip K. Dick
Do Androids Dream of Electric Sheep?
Philip K. Dick
Cover of Being and Time by Martin Heidegger
Being and Time
Martin Heidegger
Cover of Other Inquisitions by Jorge Luis Borges
Other Inquisitions
Jorge Luis Borges
Cover of Meditations on First Philosophy by René Descartes
Meditations on First Philosophy
René Descartes
Cover of Rosencrantz and Guildenstern Are Dead by Tom Stoppard
Rosencrantz and Guildenstern Are Dead
Tom Stoppard
Cover of An Enquiry Concerning Human Understanding by David Hume
An Enquiry Concerning Human Understanding
David Hume