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“I know that I am wise, because I know that I know nothing.”
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Mike's Takeaway:

In a way, this quote marks the beginning of skepticism in Western philosophy. Of course there were skeptics before Socrates, but history is about recognition of events that withstood the test of time. During Greco-Roman times, Socrates and this quote from 399 BCE represents the early roots of skepticism. They represent a time before it was formalized into Skepticism by Pyrrho a few decades later.

This content was drawn from chapter 8 of “30 Philosophers.” The chapter is titled “Plato and Rationalism” and in telling the story of Socrates and his student Plato, I introduce the Eastern concept of illusion into the philosophical story of the West with Plato’s Allegory of the Cave. In a section titled “The Unexamined Life,” I use the quote.

According to Socrates, an individual must actively engage in self-reflection and reflective inquiry to lead a meaningful life. The idea is that if you don’t understand nature, you cannot live in harmony with it. He believed that by examining your beliefs, you can better understand yourself and the world. This reflective inquiry process allows you to change your prejudices, make informed decisions, and cultivate moral and intellectual virtues.

In Plato’s “Apology,” Socrates defends himself against the charges of corrupting the youth and impiety by stating that his mission is to question and challenge the assumptions of his fellow Athenians. He claimed his mission was given to him by the Oracle at Delphi.

Analysis By Michael Alan Prestwood
08 Aug 2026
Published 2 years ago.
Updated 4 weeks ago.
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Socrates was born in 469 BCE and was executed in 399 BCE. He lived to age 72. His student Plato was born circa 428 BCE and passed at age 80 around 347 BCE. Both lived in Athens, Greece.
Michael Alan Prestwood
Author & Natural Philosopher
Prestwood writes on science-first philosophy, with particular attention to the convergence of disciplines. Drawing on his TST Framework, his work emphasizes rational inquiry grounded in empirical observation while engaging questions at the edges of established knowledge. With TouchstoneTruth positioned as a living touchstone, this work aims to contribute reliable, evolving analysis in an emerging AI era where the credibility of information is increasingly contested.
The Prestwood Column
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September 2026
Column Research….
1. Timeline Story
Hume’s Is–Ought Problem
2. Linked Quote
“I meet with no proposition that is not connected with an ought, or an ought not.”
3. Science FAQ »
Can science prove flourishing should be our goal?
4. Philosophy FAQ »
What is the difference between a normative aim and a normative directive?
5. Critical Thinking FAQ »
Is flourishing for all just utilitarianism?
6. History FAQ!
What is the history of the idea of flourishing in philosophy?
Bonus Deep-Dive Article
Flourishing for All: The Normative Aim of TST Philosophy

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