The 15 quiz questions
Question 1 : « Good sense is the most fairly distributed thing in the world. », Who said this?
Possible answers:
- Spinoza
- Leibniz
- Pascal
- Descartes
Explanation: Opening sentence of René Descartes' Discourse on the Method (1637). Beneath its irony, it posits the fundamental equality of human reason, prelude to the Cartesian method.
Question 2 : "Man is a wolf to man.", Who is the author of this quote?
Possible answers:
- Locke
- Hobbes
- Machiavelli
- Rousseau
Explanation: Homo homini lupus, taken up by Thomas Hobbes in Leviathan (1651), describes the state of nature as a war of all against all.
Question 3 : "Man is by nature a political animal.", Who is the author of this statement?
Possible answers:
- Plato
- Montesquieu
- Aristotle
- Machiavelli
Explanation: Aristotle states in his Politics (4th century BC) that man is naturally made to live in society. Anyone who cannot live in society is either a beast or a god.
Question 4 : "God is dead.", Who is the author of this statement?
Possible answers:
- Nietzsche
- Sartre
- Marx
- Heidegger
Explanation: A phrase from The Gay Science (1882) by Friedrich Nietzsche, announcing the end of traditional metaphysical values.
Question 5 : "Hell is other people.", Who wrote this line?
Possible answers:
- Camus
- Beauvoir
- Sartre
- Foucault
Explanation: The final line of the play No Exit (1944) by Jean-Paul Sartre, often misinterpreted as misanthropy.
Question 6 : "I know that I know nothing.", To whom is this phrase attributed?
Possible answers:
- Diogenes
- Aristotle
- Socrates
- Plato
Explanation: A Socratic paradox reported by Plato, foundation of the maieutic method: wisdom begins with recognizing one's own ignorance.
Question 7 : "We must cultivate our garden.", Who wrote this famous conclusion from Candide?
Possible answers:
- Diderot
- Voltaire
- Montesquieu
- La Fontaine
Explanation: Voltaire ends Candide (1759) with this famous line, which invites us to devote ourselves to concrete and useful tasks rather than speculating about the evil of the world. It is a philosophy of work and action.
Question 8 : "The heart has its reasons which reason knows nothing of.", Who wrote this?
Possible answers:
- Pascal
- La Rochefoucauld
- Montaigne
- Descartes
Explanation: From the Pensées by Blaise Pascal, this phrase distinguishes the logic of feeling from that of the intellect.
Question 9 : "One must imagine Sisyphus happy.", Who is the author?
Possible answers:
- Camus
- Nietzsche
- Sartre
- Kierkegaard
Explanation: The final sentence of The Myth of Sisyphus (1942) by Albert Camus: the absurd does not prevent happiness.
Question 10 : "Man is born free, and everywhere he is in chains.", Who wrote this?
Possible answers:
- Rousseau
- Montesquieu
- Diderot
- Voltaire
Explanation: Central idea from the Discourse on the Origin and Basis of Inequality Among Men (1755) by Jean-Jacques Rousseau.
Question 11 : "No man ever steps in the same river twice.", Who is the author?
Possible answers:
- Parmenides
- Democritus
- Thales
- Heraclitus
Explanation: Heraclitus of Ephesus (6th century BC) illustrates the principle of perpetual change (panta rhei).
Question 12 : "The starry heavens above me and the moral law within me.", Who is the author?
Possible answers:
- Hegel
- Schopenhauer
- Leibniz
- Kant
Explanation: Immanuel Kant closes his Critique of Practical Reason (1788) with this formula, which expresses his wonder at two mysteries: the cosmic universe and moral conscience.
Question 13 : "Science without conscience is but the ruin of the soul.", Who wrote this?
Possible answers:
- Montaigne
- Rabelais
- Pascal
- Descartes
Explanation: Advice from Gargantua to Pantagruel in the work of François Rabelais (1532), still relevant in the face of technological excesses.
Question 14 : "What do I know?", Which philosopher made this question his motto?
Possible answers:
- Montaigne
- Pascal
- La Rochefoucauld
- Diderot
Explanation: Michel de Montaigne (1533-1592) adopts this motto in his Essays to express scepticism and humility in the face of knowledge. It sums up his philosophy of doubt.
Question 15 : "Death is nothing to us.", Who is the author of this maxim?
Possible answers:
- Seneca
- Epicurus
- Marcus Aurelius
- Diogenes
Explanation: Epicurus (341-270 BC) teaches in his Letter to Menoeceus that death should not frighten you: when we are, it is not; when it is, we are no more.




