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How do I control my tongue? What did the scholars say about speech?

Al-Ghazali gave the tongue its own book. He counted twenty-odd sins that issue from it — from backbiting to sarcasm to excessive joking — and traced each back to its root in the heart.

10 passages from 9 books in the library

Al-Ghazali devoted a whole book, the Evils of the Tongue, to guarding speech, since the tongue is naturally inclined to move and easily commits offenses like backbiting, lying, slander, gossip, self-praise, and foul language. The cure begins with vigilant self-examination: he urges the believer to reflect on the tongue's exposure to these sins and restrain it. He treats accepting slander as worse than slander itself, and ties guarding the tongue to fasting and seclusion, where one withholds it from idle chatter, lying, backbiting, and gossip.

Drawn from the classical sources below — in the scholars' own words.

Where the answer comes from

The classical approach.

These passages are drawn from 9 books by Imam al-Ghazali — part of the classical Sunni tradition that carries over a thousand years of reflection on the Qurʾān, the authentic Sunnah, and the consensus of the early community. Nothing below is a paraphrase. The words are the scholars' own, translated from the original Arabic manuscripts.

Read them closely. If a passage doesn't sit right, open the full book in the library and listen to the chapter around it. Context in the classical tradition is everything.

Cover of Book 24: Evils of the Tongue
Book 24: Evils of the Tongue
Imam al-Ghazali · Ihya’ ‘Ulum al-Din

11th–12th century · Ṭūs, Khurāsān
Reviving the inner life of Islam through the Iḥyāʾ ʿUlūm al-Dīn — one of the most influential works ever written in any religious tradition.
More on Imam al-Ghazali → · Provenance →

  1. "consider accepting slander worse than slander itself, because slander is merely a suggestion,"

  2. "fully. The 16th affliction is gossip. Allah Almighty says, A slanderer going about with gossip, and then"

Cover of Book 35: The Book of Divine Unity and Trust in God
Book 35: The Book of Divine Unity and Trust in God
Imam al-Ghazali · Ihya' 'Ulum al-Din

11th–12th century · Ṭūs, Khurāsān
Reviving the inner life of Islam through the Iḥyāʾ ʿUlūm al-Dīn — one of the most influential works ever written in any religious tradition.
More on Imam al-Ghazali → · Provenance →

  1. "So neither does his hand resemble hands, nor his pen resemble pens, nor his speech resemble other speech, nor his writing other writings."

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