Related by context. Frequent words. (Click for all words.) 59 Greek philosophers 58 ancients 56 Heraclitus 54 classical antiquity 54 Ptolemaic 54 ancient Greeks 54 Sumerians 53 Lao Tzu 53 Plutarch 52 thirteenth century 52 Ancient Greeks 52 Tertullian 51 Galileo Galilei 51 Gautama Buddha 51 Arthur Koestler 50 Babylonia 50 Herodotus 50 Gnostics 50 philosopher 50 Karl Popper 50 Eric Hoffer 50 astronomer Carl Sagan 49 Aristotle 49 Richard Feynman 49 Martin Heidegger 49 GK Chesterton 49 Hellenistic 49 Thucydides 49 Thomas Malthus 49 #BC [002] 49 Montesquieu 49 Plato 49 Tacitus 49 Rig Veda 49 Hippocrates 49 hieroglyphs 49 Hofstadter 48 Biblical scholars 48 Aleister Crowley 48 Pythagoras 48 Antonio Gramsci 48 ancient civilization 48 de Tocqueville 48 Etruscans 48 Ancient Greek 48 Friedrich Nietzsche 48 Ancient Rome 48 ancient Greek 47 Ancient Roman 47 Ancient Egyptians 47 philologist 47 Hobsbawm 47 ancient Romans 47 Roman Empire 47 Immanuel Kant 47 Upanishads 47 Friedrich Engels 47 Marcus Aurelius 47 Roman emperor 47 Eusebius 47 philosophers 47 Hannah Arendt 47 Edward Gibbon 46 ancient 46 fifteenth century 46 Nietzsche 46 Apostle Paul 46 Minoan 46 epic Ramayana 46 Baal Shem Tov 46 prehistory 46 George Santayana 46 Mycenaean 46 Thomas Hobbes 46 cuneiform 46 ancient Mesopotamia 46 Roman mythology 46 monasticism 46 Karl Marx 46 Nicolaus Copernicus 46 antiquity 46 Michel Foucault 46 Homer Odyssey 46 Pentateuch 46 Aeneid 46 Joseph Schumpeter 46 Swami Vivekananda 45 Niccolo Machiavelli 45 Gnosticism 45 Baha'u'llah 45 poet TS Eliot 45 Sumerian 45 Romantic poet 45 Jean Jacques Rousseau 45 Puranas 45 Philosopher 45 Vedas 45 Anthropocene 45 apostle Paul 45 quatrains 45 Midrash