"Say not always what you know, but always know what you say"
About this Quote
The second half is the moral counterweight, and it’s where the line gets its bite. "But always know what you say" demands deliberateness, not verbosity. Claudius isn’t praising the artful improviser; he’s warning against the casual remark that becomes evidence, the joke that becomes a faction, the promise that becomes policy. In a regime built on patronage and paranoia, words don’t just express intent, they create it. A sentence can start a prosecution, shift a succession plan, or make an ally look suddenly expendable.
The subtext is pragmatic governance, not self-help. It’s advice for surviving systems where everyone is listening, everyone is interpreting, and nobody is obligated to take you in good faith. Claudius frames speech as a liability unless it’s precise and purposeful. You can keep a secret and still be accountable; you can be strategic and still be responsible. That balance is what makes the line endure: it treats language as power that must be handled like power.
Quote Details
| Topic | Wisdom |
|---|---|
| Source | Later attribution: Dictionary of Quotations from Ancient and Modern English ... (1893) modern compilationID: BeUsAAAAYAAJ
Evidence:
... Say not always what you know , but always know what you say . Claudius . Say not , I will do so to him as he hath done to me ; I will render to the man according to his work . Bible . 20 Say not , / This with that lace will do well ... |
| Cite |
Citation Formats
APA Style (7th ed.)
Claudius. (2026, March 22). Say not always what you know, but always know what you say. FixQuotes. https://fixquotes.com/quotes/say-not-always-what-you-know-but-always-know-what-124325/
Chicago Style
Claudius. "Say not always what you know, but always know what you say." FixQuotes. March 22, 2026. https://fixquotes.com/quotes/say-not-always-what-you-know-but-always-know-what-124325/.
MLA Style (9th ed.)
"Say not always what you know, but always know what you say." FixQuotes, 22 Mar. 2026, https://fixquotes.com/quotes/say-not-always-what-you-know-but-always-know-what-124325/. Accessed 2 Apr. 2026.










