The 15 quiz questions
Question 1 : "The unexamined life is not worth living." — Who is the author?
Possible answers:
- Plato
- Socrates
- Aristotle
- Epicurus
Explanation: Socrates (470-399 BC) spoke these words at his trial, as reported by Plato in the Apology. Condemned to death for impiety and corrupting the youth, he chose to drink hemlock rather than renounce philosophy.
Question 2 : "Man is condemned to be free." — Who is the author?
Possible answers:
- Merleau-Ponty
- Heidegger
- Beauvoir
- Sartre
Explanation: Jean-Paul Sartre (1905-1980) formulated this idea in Being and Nothingness (1943) and the lecture Existentialism Is a Humanism (1946). For him, man is "thrown" into the world without a predefined essence: he must construct himself through his choices.
Question 3 : "What does not kill me makes me stronger." — Who is the author?
Possible answers:
- Nietzsche
- Schopenhauer
- Kierkegaard
- Freud
Explanation: Friedrich Nietzsche (1844-1900) wrote this maxim in Twilight of the Idols (1889). It sums up his philosophy of vital force and self-overcoming, central themes alongside the Übermensch and Eternal Recurrence.
Question 4 : "Happiness is the greatest conquest, the one we achieve against fate." — Who is the author?
Possible answers:
- Sartre
- Malraux
- Camus
- Gide
Explanation: Albert Camus (1913-1960) developed this idea in The Myth of Sisyphus (1942). For him, faced with the absurdity of existence, happiness is an act of revolt: Sisyphus eternally pushing his rock must be imagined happy.
Question 5 : "One is not born, but rather becomes, a woman." — Who wrote this famous sentence?
Possible answers:
- Simone Weil
- Simone de Beauvoir
- Hannah Arendt
- Virginia Woolf
Explanation: Simone de Beauvoir (1908-1986) wrote this foundational phrase in The Second Sex (1949). She demonstrates that femininity is not a biological fact but a social construction. This book became one of the founding texts of modern feminism.
Question 6 : "No one does wrong willingly." — Which philosopher is credited with this thesis?
Possible answers:
- Aristotle
- Socrates
- Plato
- Parmenides
Explanation: Plato (428-348 BC) attributes this thesis to Socrates in the Protagoras and the Meno. The idea that no one does evil voluntarily — because every being seeks the good — is the foundation of Socratic moral intellectualism.
Question 7 : "Blessedness is not the reward of virtue, but virtue itself." — Who wrote this?
Possible answers:
- Spinoza
- Descartes
- Leibniz
- Malebranche
Explanation: Baruch Spinoza (1632-1677) concludes his Ethics (1677) with this revolutionary proposition. For him, virtue is not a sacrifice rewarded after death, but the very joy of understanding and acting according to reason.
Question 8 : "Nothing great in the world has been accomplished without passion." — Who is the author?
Possible answers:
- Kant
- Fichte
- Schelling
- Hegel
Explanation: Georg Wilhelm Friedrich Hegel (1770-1831) wrote this phrase in his Lectures on the Philosophy of History. His dialectic — thesis, antithesis, synthesis — profoundly influenced Western thought, from Marx to Sartre.
Question 9 : "All truth passes through three stages: it is ridiculed, violently opposed, then accepted as self-evident." — Who is the author?
Possible answers:
- Nietzsche
- Schopenhauer
- Voltaire
- Hegel
Explanation: Arthur Schopenhauer (1788-1860) illustrates with this observation the journey of every new idea. A philosopher of pessimism and author of The World as Will and Representation (1818), he influenced Nietzsche, Freud and Thomas Mann.
Question 10 : "Our greatest glory is not in never falling, but in rising every time we fall." — Who is the author?
Possible answers:
- Lao Tzu
- Sun Tzu
- Confucius
- Mencius
Explanation: Confucius (551-479 BC), Chinese sage and founder of Confucianism, taught virtue through example and perseverance. His Analects, collected by his disciples, constitute one of the most influential texts of Chinese civilization.
Question 11 : "It is not because things are difficult that we do not dare, it is because we do not dare that they are difficult." — Who is the author?
Possible answers:
- Seneca
- Marcus Aurelius
- Epictetus
- Cicero
Explanation: Seneca (4 BC - 65 AD), Stoic philosopher and tutor to Nero, advocated self-mastery in the face of adversity. Forced to commit suicide by the emperor, he put his own teachings into practice with legendary serenity.
Question 12 : "Philosophers have only interpreted the world, the point is to change it." — Who is the author?
Possible answers:
- Engels
- Marx
- Proudhon
- Bakunin
Explanation: Karl Marx (1818-1883) wrote this eleventh thesis on Feuerbach in 1845. It sums up the shift from contemplative philosophy to revolutionary praxis, the foundation of Marxism that transformed 20th-century history.
Question 13 : "Life can only be understood backwards, but it must be lived forwards." — Who is the author?
Possible answers:
- Heidegger
- Jaspers
- Marcel
- Kierkegaard
Explanation: Søren Kierkegaard (1813-1855), Danish philosopher considered the father of existentialism, explored the anxiety of individual choice. This reflection on time illustrates his thought: we only understand our lives in retrospect, but must live them without certainty.
Question 14 : "Whereof one cannot speak, thereof one must be silent." — Who concluded his Tractatus with this sentence?
Possible answers:
- Russell
- Carnap
- Wittgenstein
- Popper
Explanation: Ludwig Wittgenstein (1889-1951) concluded his Tractatus Logico-Philosophicus (1921) with this now-famous proposition. It draws the line between what can be said (logic, science) and what must be shown (ethics, the mystical).
Question 15 : "Language is the house of being." — Who is the author of this formulation?
Possible answers:
- Heidegger
- Husserl
- Sartre
- Gadamer
Explanation: Martin Heidegger (1889-1976) formulated this idea in his Letter on Humanism (1946). For him, language is not merely a communication tool: it is the place where being manifests and reveals itself. This thought profoundly influenced hermeneutics and deconstruction.




