How was the universe created? What is truth? How can we live a virtuous life? Since the dawn of History, humanity has posed such significant questions, as well as others concerning the nature of life and existence – and great thinkers propose answers that continually shape our world.

Written in simple and understandable language, this book is filled with concise yet complete and fully understandable explanations, diagrams that explain complex theories step by step, classic memorable philosophical quotes, and is further enriched with clever illustrations that wittily depict humanity's views on the great philosophical issues.

Whether you are a beginner, an enthusiastic student, or an advanced scholar, Philosophy in Simple Terms will provide you with abundant intellectual nourishment.

The book examines the major philosophical theories from the ancient world to the present day. More specifically, you will encounter the theories of philosophers:

• from the ancient world: Pythagoras, Heraclitus, Plato, Aristotle, Epicurus, Confucius, Siddhartha Gautama, and others.
• from the Middle Ages: Saint Augustine, Avicenna, Thomas Aquinas, and others.
• from the Renaissance and the age of reason: Machiavelli, Hobbes, Descartes, Spinoza, and others.
• from the revolutionary period (1750-1900): Voltaire, Adam Smith, Kant, Hegel, Schopenhauer, Marx, and others.
• from the period 1900-1950: Nietzsche, Saussure, Ortega y Gasset, Benjamin, Marcuse, Popper, Adorno, Camus, and others.
• from the period from 1950 to the present: Roland Barthes, Thomas Kuhn, Lyotard, Chomsky, Kristeva, Žižek, and others.