Baruch Spinoza was one of the most important and controversial thinkers of the 17th century. He rejected both the mind-body dualism of Descartes and traditional religious views, which got him violently attacked for atheism while he was actually seeking to redefine God as the whole of the laws of Nature. His metaphysics are a brilliant attempt to reconcile human freedom with a belief in scientific explanation, and his Theological-Political Treatise, the first argument for democracy by a major philosopher, contributed as much as the Declaration of Independence or Thomas Paine's Common Sense to modern liberal, secular, and democratic thinking.

Marcus Aurelius was a Roman Emperor, the last of the Five Good Emperors, and one of the most important Stoic philosophers, along with the slave Epictetus. Marcus Aurelius wrote the Meditations while in a military campaign; it was a series of notes written for no one but himself in his quest for self-improvement. Stoicism is the attitude allowing one to free oneself from the unnecessary suffering that arises from anxiety about events that are beyond our control; therefore, it can be of tremendous importance in one's life.

Albert Einstein is widely considered as one of the greatest minds that ever lived. He developed the theory of relativity, one of the two pillars of modern physics alongside quantum mechanics, and penned the world's most famous equation, E=mc².

The philosophy of Confucius was so powerful that it dominated intellectual life in ancient China for centuries. It even came to be considered a religion, and there are still temples where Confucius is worshipped as the God of Culture. His writings were transmitted as aphorisms, each one of them one concentrated teaching about philosophy, ethics, or society.

Socrates is an enigmatic figure, known chiefly through the accounts of others like Plato and Aristophanes. He was one of the most brilliant intellects ever, and devised what would later be called the Socratic method, which is a way of leading one's interlocutor to see his errors and contradictions through clever questioning before leading him to the truth. In ancient Athens, Socrates was widely known as a "gadfly", that is, an annoying insect buzzing at people's ears, because he kept questioning prejudices and contradictions; he was eventually tried and executed for "corrupting the minds of the youth".

Voltaire was a French writer famous for his wit and irony. They were his tools for launching vitriolic attacks on the established Catholic church, the adversaries of freedom of religion and expression, and on separation of church and state. His prolific writing took almost every possible literary form: plays, novels, essays, but also poems, historical and scientific works.

Nietzsche is a major figure in Western philosophy. His work is radical, sometimes violent, often ironic; it fascinates anyone bold enough to delve into it, exerted a profound influence on modern intellectual history, and covers a wide range of subjects. Nietzsche's writings border on the poetic; his aphorisms are particularly well-known for conveying all the radicality of his thinking in a intense but light, sometimes amusing manner.

Jung regarded the unconscious and its symbolic content as crucial to our psychological development; among the central concepts of analytical psychology is individuation, which is the lifelong psychological process of differentiation of the self. Jung considered it to be the main task looming over every human being in their development, and experimented with a variety of practices to dive always deeper into it. These 100 quotes have been carefully selected to introduce you to his character and his way of thinking, and to inspire you into making your own discoveries about the unconscious.

Lao-Tzu was a philosopher and poet of ancient China. He is known as the reputed author of the Tao Te Ching and the founder of philosophical Taoism, and as a deity in religious Taoism and traditional Chinese religions. As a central figure in Chinese culture, the emperors of the Tang dynasty and modern people both claim Lao Tzu. Some of his great quotes are "When goodness is lost, it is replaced by morality." "Without Darkness, there can be no Light." "The usefulness of a pot comes from its emptiness."

Ancient philosophy provides us with timeless wisdom while bringing a new light on the way modern thought has been shaped by building on the ancient masters. This audiobook is a careful compilation of essential quotes summarizing each one of the great masters' fundamental ideas. Learn Stoicism from the teachings of both Marcus Aurelius, the emperor, and Epictetus the slave, each one intent on his own quest for the best possible life; discover the essence of ideas, logic and philosophy with Aristotle and his pupil Plato.

Letting Go describes a simple and effective means by which to let go of the obstacles to enlightenment and become free of negativity. During the many decades of the author's clinical psychiatric practice, the primary aim was to seek the most effective ways to relieve human suffering in all of its many forms. The inner mechanism of surrender was found to be of great practical benefit and is described in this book.

Mark Twain is one of the wittiest and most prolific writers of all time. He is mostly known for "The Adventures of Tom Sawyer" and its sequel, "The Adventures of Huckleberry Finn", which is often called the Great American Novel.

From finding a spouse to finding a parking spot, from organizing one's inbox to understanding the workings of human memory, Algorithms to Live By transforms the wisdom of computer science into strategies for human living.

Lao Tsu, also known as Lao Tzu or Laozi, is an ancient Chinese philosopher and sage, and an absolutely central figure in Asiatic culture. He is known as the author of the "Tao Te Ching" or "Daodejing" and the founder of Taoism. In traditional China, Taoism is a way of living in harmony with the Tao, "way", "path", or "principle", something that is both the source of, and the force behind, everything that exists. Throughout history, Laozi's work has been embraced by various anti-authoritarian movements, because his style is designed to elicit critical thinking through ambiguousness.

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