by René Descartes
by Saint de Lisieux Thérèse
by Jean de La Fontaine
by Michel de Montaigne
by Friedrich Wilhelm Nietzsche
by Saint de Sales Francis
by Michel de Montaigne
by graf Leo Tolstoy
by de Pisan Christine
by Stendhal
by Voltaire
by Ernest Renan
by Charles Wagner
by John Ruskin
by Denis Diderot
by Cyrano de Bergerac
by Natalie Clifford Barney
by Anonymous
by Voltaire
by Auguste Comte
by Auguste Comte
by Walther Rathenau
by marquis de Jean-Antoine-Nicolas de Caritat Condorcet, comte Nicolas Louis François de Neufchâteau, Blaise Pascal, Voltaire
by Arthur Schopenhauer
by Freiherr von Gottfried Wilhelm Leibniz
by à Kempis Thomas
by Michel de Montaigne
by Michel de Montaigne
by Maurice Maeterlinck
by Bernard Carra de Vaux
by Maurice Maeterlinck
by Albert Farges
by graf Leo Tolstoy
by Gabriele D'Annunzio
by Hugo Grotius
by Charles Secrétan
by Maurice Barrès
by J.-F. (Jean-François) Payen, Estienne de La Boétie
by Confucius, Mencius
by Auguste Comte
by R. P. (Pierre Jean Baptiste) Duchaussois
by Benjamin Constant
by Denis Diderot
by Henri Loeb
by Giambattista Vico
by Alfred Fouillée
by Johann Georg Zimmermann
by Paul Valéry
by Friedrich Wilhelm Nietzsche
by Johann Wolfgang von Goethe
by Bernard Carra de Vaux
by baron d' Paul Henri Thiry Holbach
by Gabriel Bonnot de Mably
by Ossip Lourié
by Charles de Rémusat
by Auguste Comte
by Anonymous
by Jules Michelet, Edgar Quinet
by Madame de (Anne-Louise-Germaine) Staël
by Lucien de Rosny
by Ordine della Santissima Annunziata
by Herbert Spencer
by Léon Alexandre Heuzey
by Paul Bourget
by Ernst Haeckel
by J. (Jules) Barbey d'Aurevilly
by Maurice Barrès
by François de La Mothe Le Vayer
by Unknown
by Emile Corra
by J.-B. (Jean-Baptiste) Pérès
by Auguste Comte
by Madame d' Héricourt
by Edgar Allan Poe
by Paul Charpentier
by Ernest Renan
by comte Gustave Baguenault de Puchesse
by Dora Melegari
by Émile Faguet
by Madame d' Héricourt
by Gabriel Bonnot de Mably
by Anatole France
by Auguste Comte
by Gabriel Bonnot de Mably
by Georges Chastellain
by Gabriel Bonnot de Mably
by E. de (Eugène) Roberty
by active 15th century von Kastl Johannes
by Charles de Rémusat
by Ordine della Santissima Annunziata
by Ordine della Santissima Annunziata
by Andrzej Towianski
by Laurent Tailhade