Post Medieval:
1500 to 1950
The path to wisdom runs through reality: from nature, through history, into the future we choose to build.
Wisdom Mix.
Here are 10 random key ideas and takeaways.
1.
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The Williams parable is about government. A response to the colonies in New England inacted the same restrictions they escaped.
Subject: Separation of Church and State.
Government should act like we all do on a ship. When on a ship out at sea, the captain is in charge and primarily concerned with a safe trip across the ocean. On any given ship will be a mix of religions, races, and worldviews. The captain must be concerned about safety and should allow all to practice whatever traditions they want so long as they don’t hurt others.
2.
Quote.
- Max Planck.
- circa 1900.
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Breakthroughs often occur when conviction gives way to honesty.
Subject: Planck Constant.
Planck didn’t advance physics by defending what he believed, but by surrendering it when the evidence refused to cooperate. His “act of despair” reminds us that truth doesn’t yield to confidence. It yields to honesty—especially at the moment when our most trusted explanations stop working.
3.
From History: 1842.
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In 1842, Christian Doppler wrote about the doppler effect in stars. It was first confirmed with sound in 1845, then with light in 1848. The big moment came in 1868 when, for the first time, we could tell which stars were coming and going.
Subject: Waves.
When a source moves toward you, waves compress and frequency increases; when it moves away, waves stretch and frequency decreases. This applies to sound (changing pitch), and light (changing color, or redshift).
4.
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With the motion of life, cause and effect feel certain. We see stable patterns. But Hume reminds you, correlation does not guarantee causation.
Subject: Causation versus Correlation.
Reasoning asks you to question whether you’re seeing real causation, or just a misleading correlation. Always ask: What’s the evidence? Hume said, repeated observation shows habit, not logical necessity. If a cause exists, find it!
5.
Quote.
- Charles Darwin.
- 1859.
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Survival belongs to organisms that respond effectively to change as environments shift over time.
Subject: Evolution.
Evolution is not about desire, nor is it a contest of strength, or intellect. It’s about reproductive success. The individuals, and species, that possess traits best suited for the current environment are more likely to survive, and to pass on those traits. Over millennia, these traits accumulate, leading to races, sub-species, and eventually separate species unable to interbreed.
6.
From History: 1654.
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Let go of labels that shrink people. Roger Williams saw that calling Native Americans “heathens” was not just a word; it was a habit of mind that made harm easier.
Subject: Roger Williams.
The labels you carry shape the life you live. When a word reduces another person, it also trains your own mind toward judgment, distance, and harm. Learn to live with more care: see the person first, release the harmful label, and choose words that preserve dignity.
7.
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From 7000 BCE with a focus on writing. Journalism tests public claims by gathering facts, checking sources, and bringing events into the open.
Subject: Journalism.
Journalism is one of the Truth Hammers because public life moves fast, and falsehood moves even faster. Good journalism gathers facts, checks sources, compares accounts, and brings hidden events into the open. It is not perfect, but at its best, it helps society separate rumor, spin, and emotional narrative from what can actually be shown.
8.
Quote.
- David Hume.
- 1748.
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Your confidence in an idea, whether scientific or spiritual, should rise with support, not desire.
Subject: Belief.
A clear thinker does not believe harder just because an idea feels meaningful, familiar, or comforting. Some mysteries deserve wonder, but belief should still be proportional to evidence, logic, testing, and trustworthy guidance. Think well by letting confidence grow only when support earns it.
9.
From History: .
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The story of John Snow in 1854 reminds us that good reasoning corrects weak patterns by letting confidence follow evidence, not fear or public assumption.
Subject: Deductive Reasoning.
John Snow’s Broad Street Pump story shows how belief should change. Public belief blamed bad air, but Snow followed the evidence to contaminated water. Weak induction fed the wrong conclusion; disciplined observation and reasoning corrected it. Confidence became stronger because the explanation fit reality better.
10.
Article summary.
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Roger Williams was not just condemned by the Massachusetts Bay authorities; he was also quietly warned, revealing the moral and political complexity of John Winthrop himself.
Subject: Roger Williams.
Beyond banishment itself, something more human: even in a hard and divided political world, enemies were not always simple enemies. Winthrop opposed Williams, yet also warned him. History is often sharper, stranger, and more layered than our labels.
Done. Refresh for another set.
Wisdom Builder
(c) 2025-2026 TouchstoneTruth.
Content and coding by Michael Alan Prestwood.
(c) 2025-2026 TouchstoneTruth.
Content and coding by Michael Alan Prestwood.
