By Natural Philosopher Mike Prestwood

Ancient History

The Birth of Logic

In the vibrant intellectual climate of Ancient Greece, the 6th century BCE marks the embryonic stage of formal logic, attributed to the philosopher Thales of Miletus (around 624-546 BCE). Thales, recognized as the first of the Seven Sages of Greece, embarked on a quest that laid the foundational stones of logical thought. He shifted the […]

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galaxy, cosmos, physical, science fiction wallpaper. Deep space.

RCW 86 Supernova

This supernova was observed by Chinese astronomers in 185 CE. The Chinese kept meticulous astronomical records for centuries, including observations of what modern scientists interpret as supernovae. Chinese astronomical records from 185 AD describe the appearance of a “guest star” in the constellation now known as Circinus. This guest star matches the expected location and

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Zeno of Citium (334-262 BCE)

94 Generations Ago Zeno is considered the founder of the Stoic school of philosophy. When events occur in life, people react. Life is a series of events and immediate reactions. A stoic introduces a third middle step, a judge step. On their life journey, a stoic strives for a series of event-judge-react experiences. When you introduce

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Gyeongbokgung Palace, South Korea

Xia Dynasty (2070-1600 BCE)

The Xia Dynasty is the first documented government of ancient China. The first to adopt dynastic succession. In modern times, it was regarded as a myth created later by Chinese historians, but 20th-century excavations uncovered sites which corresponded to descriptions in earlier historians’ accounts. This fact is an important lesson on understanding how little survived

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Pythagoras (570-495 BCE)

The Greek philosopher and mathematician Pythagoras was born in Ancient Greece on the island Samos which is about a mile off the coast of modern Turkey. History looks at Pythagoras as an educator and philosopher as well as a cult leader. He discovered the musical octave, used deductive reasoning, and embraced an early version of

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Cicero (106-43 BCE)

The stoic philosopher Marcus Tullius Cicero was one of Rome’s greatest orators and had an immense influence on the Latin language. Some of my favorite translated Cicero quotes: If you have a garden and a library, you have everything you need. Friendship improves happiness and abates misery, by the doubling of our joy and the

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Epictetus (50-135 CE)

Epictetus stressed that philosophy is a way of life and not simply analytical. The stoic philosopher Epictetus was cited by Marcus Aurelius in his Meditations. Epictetus was one of the future emperor’s teacher’s during childhood up to the age of 14. Although no writings by Epictetus are known, his students documented his beliefs and sayings

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Epicurus (341-270 BCE)

94 Generations Ago 30 Phil, Chapter 11: Epicurus and Epicureanism Touchstones: Agnosticism and Pleasure Epicurus founded Epicureanism in 307 BCE. The goal of Epicureanism is to help people attain a happy (eudaimonic), tranquil life characterized by ataraxia (free from fear) and aponia (free from pain). He authored over 300 books, scrolls, none of which survived the

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Pyrrho (360-270 BCE)

95 Generations Ago 30 Phil, Chapter 10: Pyrrho of Elis and Skepticism   Touchstones: Skepticism and Social Constructs Pyrrho, the skeptic, believed no one knows anything. Everything can be questioned. The best approach is to keep an open mind. Like Socrates, Pyrrho himself left no writings. We know of his teachings through his students and later

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Realistic Earth Planet against the the star sky

Spherical Earth

The Greeks knew the Earth is spherical. For example, Pythagoras (570-495 BCE), Aristotle (384-322 BCE), and Euclid (circa 450 BCE) wrote about the Earth as a sphere. Eratosthenes (276-194 BCE) even calculated the circumference of the Earth to within 1%. He also wrote about the idea that India could be reached by sailing westward from

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Aristotle (384 – 322 BCE)

96 Generations Ago 30 Phil, Chapter 9: Aristotle and Empiricism Touchstones: Syllogisms, Rationalism, Empiricism, Logic, Logical Fallacies, & Eudaimonia Aristotle was the greatest Greek philosopher and covered nearly all subjects including physics, biology, zoology, metaphysics, logic, ethics, aesthetics, poetry, theatre, music, rhetoric, psychology, linguistics, economics, politics, meteorology, geology, and government. His Aristotelian philosophy characterized by

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Plato (428-347 BCE)

98 Generations Ago 30 Phil, Chapter 8: Plato and Rationalism Touchstones: Reflective Inquiry and Ignorance is Bliss Plato was a Greek philosopher born in Athens. He was a student of Socrates and a teacher of Aristotle. Plato’s Theory of Forms asserts that the reality is only a shadow, or image, of the true reality of

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Proto-Sinaitic script

155 Generations Ago The Proto-Sinaitic alphabet is considered the earliest trace of alphabetic writing and the common ancestor of both Ancient South Arabian script and the Phoenician alphabet. The ancient South Arabian script evolved about 900 BCE which continued to evolve into today’s Modern South Arabian languages. The Phoenician alphabet evolved into the Greek alphabet

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Phoenician Alphabet

133 Generations Ago The Phoenician alphabet is a direct continuation of the Proto-Canaanite script circa 1300 BCE. Starting about 900 BCE, the Phoenician alphabet thrived and was adapted by others. It evolved into use by many languages including Greek, Old Italic and Anatolian scripts. These early uses of the alphabet evolved into the alphanumeric alphabet. 

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Law of the Twelve Tables

The Twelve Tables were rules citizens had to follow, and limits on the powers of the government. This idea was used several times during Roman history to force the Patricians, aristocrats, to consider the views of the plebeian citizens, commoners. In 451 BCE, plebeians went on strike to protest the tyranny of magistrates. The Twelve

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