"I demonstrate by means of philosophy that the earth is round, and is inhabited on all sides; that it is insignificantly small, and is borne through the stars"
About this Quote
Then comes the real knife: Earth is “insignificantly small.” That adjective reads like a moral argument disguised as measurement. Kepler’s astronomy drains the cosmos of flattering proportions. The subtext is theological as much as scientific: if creation is this vast, then God’s design can’t be reduced to humanity’s convenience. It’s an anti-anthropocentric corrective that still allows reverence, just not the cozy kind.
Most pointed is the phrase “demonstrate by means of philosophy.” Kepler is writing in a world where “science” is still negotiating its border with scholastic reasoning, scripture, and courtly patronage. He frames his proof as philosophy to claim legitimacy in the era’s prestige language, while smuggling in the new method: mathematized, observational, and willing to contradict the eye. “Borne through the stars” turns the Copernican shift into a visceral image: we aren’t watching the heavens; we’re being carried inside them. That’s not just a model of motion. It’s a demand for intellectual humility.
Quote Details
| Topic | Reason & Logic |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Kepler, Johannes. (2026, January 18). I demonstrate by means of philosophy that the earth is round, and is inhabited on all sides; that it is insignificantly small, and is borne through the stars. FixQuotes. https://fixquotes.com/quotes/i-demonstrate-by-means-of-philosophy-that-the-10978/
Chicago Style
Kepler, Johannes. "I demonstrate by means of philosophy that the earth is round, and is inhabited on all sides; that it is insignificantly small, and is borne through the stars." FixQuotes. January 18, 2026. https://fixquotes.com/quotes/i-demonstrate-by-means-of-philosophy-that-the-10978/.
MLA Style (9th ed.)
"I demonstrate by means of philosophy that the earth is round, and is inhabited on all sides; that it is insignificantly small, and is borne through the stars." FixQuotes, 18 Jan. 2026, https://fixquotes.com/quotes/i-demonstrate-by-means-of-philosophy-that-the-10978/. Accessed 16 Feb. 2026.





