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Worldview & Philosophical Tradition

Rationalism & The Enlightenment

Critical Reason, Logic, Scientific Inquiry & Human Liberty

Explore the Rationalist and Enlightenment tradition—from Socrates, Descartes, Spinoza, and Leibniz to Voltaire, Locke, Kant, and Karl Popper.

#Reason#Logic#Truth#Science#Philosophy

Key Thinkers & Voices in Rationalism & The Enlightenment

René Descartes→Immanuel Kant→Voltaire→John Locke→Gottfried Wilhelm Leibniz→Karl Popper→

Foundational Quotes & Primary Texts

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Verified Primary Attribution #1
“Sapere aude! Have courage to use your own understanding!—that is the motto of enlightenment.”
— Immanuel Kant Answering the Question: What Is Enlightenment? (1784)
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Verified Primary Attribution #2
“I think, therefore I am (Cogito, ergo sum).”
— René Descartes Discourse on the Method (1637)
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Verified Primary Attribution #3
“Judge a man by his questions rather than by his answers.”
— Voltaire Attributed Enlightenment Maxim
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Verified Primary Attribution #4
“True ignorance is not the absence of knowledge, but the refusal to acquire it.”
— Karl Popper Conjectures and Refutations (1963)
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Explore All 22 Worldviews & Traditions

Compare perspectives across humanity's philosophical, spiritual, and secular traditions.

African Philosophy & UbuntuAgnosticism & Epistemic HumilityAtheism & Naturalistic PhilosophyBahá’í FaithBuddhismChristianityConfucianismEastern Mysticism & Non-DualityExistentialismHinduism & VedantaHumanismIndigenous WisdomIslamJainismJudaismNihilism & OvercomingPantheism & Cosmic ReverenceShinto & Japanese AestheticsSikhismStoicismTaoism