500 Quotations from the Great Philosophers of the 18th Century

600 Quotations from French philosophy

100 Quotes by Gaston Bachelard

100 Quotes by Denis Diderot

600 Quotations from the Great 18th Century Writers

300 Quotes from Idealistic Philosophers

400 Quotations from the Great Philosophers of the 17th Century

100 Quotes by Adam Smith

500 Quotes to Learn Wisdom from Classical Greek Philosophers

100 Quotes by Heraclitus of Ephesus

100 Quotes by Laozi

400 Quotations from the Great Philosophers of the 19th Century

400 Quotations from Ancient Roman Philosophers

100 Quotes by Edmond and Jules de Goncourt

100 Quotes by Johann Wolfgang von Goethe

700 Quotations from Ancient Philosophy

300 Quotations from the Stoic Philosophers

400 Quotes from Little-known Philosophers

100 Quotes by Charles Louis de Montesquieu

400 Quotations from Contemporary Philosophy