"O! Let me not be mad, not mad, sweet heaven; keep me in temper; I would not be mad!"
About this Quote
In context, it’s Lear on the cliff edge of his unraveling, watching the political world he built devour him. The line lands after betrayal, humiliation, and the dawning realization that power can’t buy comprehension. Lear isn’t asking for comfort; he’s asking for calibration. "Keep me in temper" is strikingly practical, almost domestic, as if sanity were a metal that can be over-heated, warped, and ruined. The word "temper" also carries moral shading: restraint, proportion, self-command. Lear knows that madness won’t just be suffering; it will be an abdication, a collapse of judgment that leaves him defenseless in a kingdom where everyone is suddenly very good at weaponizing appearances.
The subtext is Shakespeare’s bleakest joke: the moment you can articulate a fear of madness, you’re still sane enough to see it coming, which makes it worse. The line’s power is that it refuses tragic grandeur. It’s a king reduced to the most human plea imaginable: don’t let me become someone I can’t recognize.
Quote Details
| Topic | Mental Health |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Shakespeare, William. (2026, January 15). O! Let me not be mad, not mad, sweet heaven; keep me in temper; I would not be mad! FixQuotes. https://fixquotes.com/quotes/o-let-me-not-be-mad-not-mad-sweet-heaven-keep-me-27570/
Chicago Style
Shakespeare, William. "O! Let me not be mad, not mad, sweet heaven; keep me in temper; I would not be mad!" FixQuotes. January 15, 2026. https://fixquotes.com/quotes/o-let-me-not-be-mad-not-mad-sweet-heaven-keep-me-27570/.
MLA Style (9th ed.)
"O! Let me not be mad, not mad, sweet heaven; keep me in temper; I would not be mad!" FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/o-let-me-not-be-mad-not-mad-sweet-heaven-keep-me-27570/. Accessed 13 Feb. 2026.














