The man who asked questions : Socrates and Plato --
True happiness : Aristotle --
We know nothing : Pyrrho --
The garden path : Epicurus --
Learning not to care : Epictetus, Cicero, Seneca --
Who is pulling our strings? : Augustine --
The consolation of philosophy : Boethius --
The perfect island : Anselm and Aquinas --
The fox and the lion : Niccolò Machiavelli --
Nasty, brutish, and short : Thomas Hobbes --
Could you be dreaming? : René Descartes --
Place your bets : Blaise Pascal --
The lens grinder : Baruch Spinoza --
The prince and the cobbler : John Locke and Thomas Reid --
The elephant in the room : George Berkeley (and John Locke) --
The best of all possible worlds? : Voltaire and Gottfried Leibniz --
The imaginary watchmaker : David Hume --
Born free : Jean-Jacques Rousseau --
Rose-tinted reality : Immanuel Kant (1) --
What if everyone did that? : Immanuel Kant (2) --
Practical bliss : Jeremy Bentham --
The owl of Minerva : Georg W.F. Hegel --
Glimpse of reality : Arthur Schopenhauer --
Space to grow : John Stuart Mill --
Unintelligent design : Charles Darwin --
Life's sacrifices : Søren Kierkegaard --
Workers of the world unite : Karl Marx --
So what? : C.S. Peirce and William James --
The death of God : Friedrich Nietzsche --
Thoughts in disguise : Sigmund Freud --
Is the present king of France bald? : Bertrand Russell --
Boo!/Hooray! A.J. Ayer --
The anguish of freedom : Jean-Paul Sartre, Simone de Beauvoir and Albert Camus --
Bewitched by language : Ludwig Wittgenstein --
The man who didn't ask questions : Hannah Arendt --
Learning from mistakes : Karl Popper and Thomas Kuhn --
The runaway train and the unwanted violinist : Philippa Foot and Judith Jarvis Thomson --
Fairness through ignorance : John Rawls --
Can computers think? : Alan Turing and John Searle --
A modern gadfly : Peter Singer.
