Quote Investigator finds Shilling using a close version in a 1986 newspaper report and a 1993 Forbes column. He is the leading candidate for coinage, while the familiar Keynes credit has weak evidence.
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In context
Evoking the world of A. Gary Shilling — The name in the evidence. Theme: "The Market Can Remain Irrational Longer Than You Can Remain Solvent". 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.
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Minimalist editorial slide for the quote "The Market Can Remain Irrational Longer Than You Can Remain Solvent". 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
Documented source
The Advertiser report; Forbes column
Date
1986
Markets can remain irrational a lot longer than you and I can remain solvent.
Quote Investigator finds Shilling using a close version in a 1986 newspaper report and a 1993 Forbes column. He is the leading candidate for coinage, while the familiar Keynes credit has weak evidence. Read the source
The documented reports are from 1986 and 1993; no public-domain status is asserted.
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Fact-check
Often misattributed
Keynes is often credited, but the documentary trail presented by Quote Investigator points to Shilling decades later.
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What the evidence establishesA. Gary Shilling Context
Quote Investigator finds Shilling using a close version in a 1986 newspaper report and a 1993 Forbes column. He is the leading candidate for coinage, while the familiar Keynes credit has weak evidence. Check the evidence
✓Keynes is often credited, but the documentary trail presented by Quote Investigator points to Shilling decades later. Read the research
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Filed under
More provenance-checked quotes on the same theme, each with its reuse status.
Shilling is the financial analyst associated with the early documented uses. The record supports that association more strongly than a definitive claim of invention.
For writers & researchers
Cite this
The primary source (Chicago)
The Advertiser report; Forbes column. 1986. Evidence and bibliographical details reproduced in the linked source; no independent access to an original edition is claimed unless stated.
This verification page
Quotle.info. “Who really said ‘The Market Can Remain Irrational Longer Than You Can Remain Solvent’?” Last verified 9 Nov 2026. https://quotle.info/who-said/the-market-can-remain-irrational-longer-than-you-can-remain/