Quote Investigator traces the Clarke attribution to Paul Heskett’s 1997 letter reporting a conversation. Similar jokes circulated earlier, and the familiar “Sagittarius” wording differs from Heskett’s “Sagittarian” transcription.
“I don't believe in astrology; I'm a Sagittarius and we're skeptical” — Attributed to Arthur C. Clarke through Paul Heskett’s reported conversation; the wording varies and Clarke’s origination is not established.
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In context
Evoking the world of Arthur C. Clarke — English science-fiction writer. Theme: "I don't believe in astrology; I'm a Sagittarius and we're skeptical". Atmospheric and restrained, cinematic directional light, a muted period-appropriate palette, fine grain and texture. Compose with generous empty space for the quote and a small credit line. No lettering in the image itself.
Minimalist
Minimalist editorial slide for the quote "I don't believe in astrology; I'm a Sagittarius and we're skeptical". Clean background, a single muted accent color, generous negative space, subtle paper or linen texture, no literal illustration — let the words carry it. Reserve clear space for a serif quote and a small credit line. No lettering in the image itself.
Provenance
The source
Source
Paul Heskett’s reported conversation with Clarke
Evidence
Checked secondary citation; primary artifact not independently inspected
Documented date
1997
I don’t believe in astrology; I’m a Sagittarian and we’re sceptical.
The reported wording is documented in a 1997 magazine letter, with a later dictionary variant. It is treated as in copyright and quoted only as a short attribution example.
Rights status is our research, not legal advice — and copyright varies by country and edition. For commercial or published use, confirm with the rightsholder. See terms.
Fact-check
Often misattributed
The joke’s structure predates the reported Clarke conversation. The evidence supports a reported use, not proof he invented the joke.
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Popular creditArthur C. Clarke
The popular credit needs the qualification explained above. Checked evidence ↗
✓Use the documented source wording and retain the attribution qualification. Checked evidence ↗
Explore
Filed under
More provenance-checked quotes on the same theme, each with its reuse status.
Arthur C. Clarke was an English science-fiction writer and science popularizer. The astrology joke is associated with him through a reported conversation, not a located recording.
For writers & researchers
Cite this
The primary source (Chicago)
Heskett, Paul. Letter, “Your Views.” Astronomy Now 11, no. 4 (April 1997), p. 10. As transcribed by Quote Investigator, March 24, 2017; later variant discussed there.
This verification page
Quotle.info. “Who really said ‘I don't believe in astrology; I'm a Sagittarius and we're skeptical’?” Last verified 9 Nov 2026. https://quotle.info/who-said/i-dont-believe-in-astrology-im-a-sagittarius-and-were/