30 Phil, Chapter 21, Galileo, Touchstone 54: Modern Cosmology. The story of Galileo is also the story of Copernicus, and the story of modern cosmology. To properly tell the story of Copernicus, we need to mention Aristarchus of Samos, a Greek astronomer and mathematician born around 310 BCE. Aristarchus put forth a heliocentric model, proposing […]
30 Phil, Chapter 21, Galileo, Touchstone 53: Infinitesimal. The infinitesimal is a form of infinity representing a theoretical value that is infinitely close to zero but not zero itself. Galileo Galilei discussed concepts related to the infinitesimal in his work “Two New Sciences”. In this work, he explored the foundations of kinematics and the strength
30 Phil, Chapter 20, Francis Bacon, Touchstone 51: The Scientific Method. Science is the ongoing study of nature through observation. It’s that simple. If you see something new in nature, that’s science. Many definitions of science tend to intertwine the “how,” but the “how” is perpetually evolving, just like science itself remains a continual journey, never settling
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30 Phil, Chapter 20, Francis Bacon, Touchstone 50: Truth Hammers. A truth hammer is a process that aims to uncover specific truths using empirical data, logic, reason, facts, and peer review. There are three truth hammers: science, law, and journalism.
30 Phil, Chapter 20, Francis Bacon, Touchstone 49: Absolute Truth. An absolute truth is a description that is universally consistent with objective reality. Objective reality refers to the material world as it is—reality that exists independently of human thoughts, beliefs, and emotions. This is the “split” discussed in the Idea of Ideas, between the Material World and
30 Phil, Chapter 19, Guru Nanak, Touchstone 48: The Five Thieves. Central to Sikh philosophy is the concept of the Five Thieves. The Five Thieves assert that the path to happiness is achieved by managing or removing the negative forces in your life including lust, anger, greed, attachment, and ego. The Five Thieves provide ethical guideposts,
30 Phil, Chapter 18, Peter Abelard, Touchstone 47: The Idea of Ideas. The Idea of Ideas is a new look at epistemology. It asserts empirical, rational, and irrational entities exist in the Material World, independent of the minds of beings who can discover, label, and use them as ideas. When this theory refers to “beings,”
30 Phil, Chapter 18, Peter Abelard, Touchstone 46: Pattern Recognition. Humans possess an extraordinary ability to identify patterns both in nature as well as in our minds. It is fundamental to how we understand the world, and at the core of the universals debate. Building on pattern recognition, our minds also engage in pattern ranking.
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30 Phil, Chapter 18, Peter Abelard, Touchstone 45: Object-Oriented Nature. Our minds naturally categorize the world into objects, properties, and their interactions. We mentally reduce the complexities of reality into objects. For instance, when we interact with a battery, we use its interface, the positive and negative terminals unconcerned about the details. In this somewhat
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30 Phil, Chapter 18, Peter Abelard, Touchstone 44: Intent. The concept of intent has deep roots. Aristotle, in his Nicomachean Ethics, argued that voluntary actions guided by intention were essential for moral responsibility and virtue. Similarly, Roman law incorporated the concept of “mens rea,” a guilty mind, as a vital element in determining guilt. In
30 Phil, Chapter 17, Alhazen, Touchstone 43: Perception. Perception is the process by which your brain interprets sensory information. While senses give you direct information, your perception gives you indirect understanding.
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30 Phil, Chapter 16, Al-Farabi, Touchstone 41: Existence. Metaphysics, the branch of philosophy exploring being and reality, investigates what exists and how they exist. You are born a human, you can’t change that, but the essence of you, your identity either evolves as you age or you were born with your identity. In 350 BCE,
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30 Phil, Chapter 16, Al-Farabi, Touchstone 40: Intellect. Intellect refers to the ability to reason and understand objectively, particularly with regard to abstract or academic matters. Al-Farabi delineated human understanding into three phases: the potential, actual, and acquired. His insights laid the groundwork for today’s understanding, a roadmap for how our thinking grows over time.
30 Phil, Chapter 15, Saint Augustine, Touchstone 39: Eternity. Eternity is the idea of an endless timeline. Visualize a river that flows in both directions as far as the eyes can see. But for Augustine, eternity is “all time at once,” and his idea positions it as a precursor to the modern block universe theory.
30 Phil, Chapter 15, Saint Augustine, Touchstone 38: Chronoception. According to Einstein’s theory of relativity, time is intertwined with space in a four-dimensional continuum known as spacetime. However, our experiencing of it is called chronoception. Augustine was one of the first to describe time as a subjective experience. Today we know it is influenced by
30 Phil, Chapter 14, Badarayana, Touchstone 37: Cognitive Biases. Cognitive biases are systematic errors in thinking; they arise when your brain attempts to simplify the complex. They were defined and gained prominence in the last century and are now a part of many critical thinking frameworks. For example, the TST Framework classifies them under the
30 Phil, Chapter 14, Badarayana, Touchstone 36: Cause and Effect. While karma carries spiritual connotations, cause-and-effect is the non-religious equivalent. From this perspective, cause and effect represents the idea that every action has a reaction, and that our choices and behaviors will inevitably have consequences. The ethical implications imply a personal responsibility and acceptance of
30 Phil, Chapter 13, Marcus Aurelius, Touchstone 35: Cognitive Distancing. Cognitive Distancing is a psychological technique where one separates themselves from their thoughts and emotions to gain perspective and objectivity. By viewing thoughts as transient and not necessarily true, individuals can reduce their emotional impact and make more rational decisions. This technique aligns with the Stoic
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30 Phil, Chapter 13, Marcus Aurelius, Touchstone 34: Negative Visualization. It is not external events, but our thoughts about them, that cause distress. Many of us don’t truly appreciate our family, friends, and possessions so visualizing their absence increases appreciation for them. Negative visualization finds a modern counterpart in “defensive pessimism,” a cognitive strategy in
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30 Phil, Chapter 13, Marcus Aurelius, Touchstone 33: Cognitive Reframing. Cognitive Reframing: an Ancient Stoic “CBT” Technique: Cognitive reframing is a modern therapeutic technique employed in cognitive behavioral therapy (CBT) and other forms of psychotherapy, and it has its philosophical roots in ancient Stoic thought, and Zeno himself is behind it. Emotions are not arbitrary or
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