What Should We Do When Science and Hadith Seem to Differ?

Answered by Shaykh Faraz Rabbani

Question

I came across the hadith permitting the killing of the gecko, in which the Prophet (Allah bless him and give him peace) noted that its kind blew on the fire of Ibrahim (peace be upon him).

Yet the science pages and the AI I consulted say that geckos are useful and harmless. How should I deal with a hadith that seems to conflict with what I study?

Answer

In the Name of Allah, the Merciful and Compassionate.

A sound hadith and an established fact never truly contradict; when they seem to, the error is in our reading of one of them, not in the revelation.

Shaykh Said Ramadan al-Buti (Allah have mercy on him) built a whole work on this single point: what revelation establishes with certainty and what reason establishes with certainty cannot collide, so an apparent clash is a cue to check the premises, not to lose your footing.

The Gecko Hadith

Take your hadith as the test case. The report is authentic. The Prophet (Allah bless him and give him peace) permitted killing the house gecko (wazagh) and mentioned that its kind blew on the fire kindled against Ibrahim (peace be upon him). [Bukhari; Muslim]

Read alone, it unsettles the mind: why should a gecko today answer for something ancient?

It does not, and the scholars say so directly. Mufti Taqi Usmani (Allah preserve him) explains that the Prophet (Allah bless him and give him peace) mentioned the old episode only to convey the creature’s base nature, and that “the actual reason for commanding its killing is that it is harmful.” [Usmani, Takmila Fath al-Mulhim]

Today’s geckos are not punished for an ancestor’s deed; they are named, like the mouse the Prophet called by the very same word, a small creature whose habits can bring harm into a home.

No “Modern Rescue” Is Needed

Two things follow, and both should settle you.

First, this is no modern rescue of an awkward text.

Over a thousand years ago al-Jahiz, in his Book of Animals, already rejected the idea that geckos are punished for an ancestor, treating the report as one to interpret rather than discard [al-Jahiz, Kitab al-Hayawan]; the same instinct runs through contemporary scholars such as Shaykh Gibril Haddad (Allah preserve him), who counsels that a puzzling report calls for careful interpretation, never a verdict against the Sunna.

The Quran states, “No bearer of burdens shall bear the burden of another” [Quran 6:164]. Yet I encountered the hadith in which the Prophet (Allah bless him and give him peace) permitted killing geckos, mentioning that their kind blew on the fire of Ibrahim (peace be upon him). Scientific sources and the AI tools I consulted also indicate that geckos are generally beneficial and harmless. How should I understand this hadith in light of the Quranic principle that no creature bears the burden of another and in light of contemporary scientific knowledge?

Second, the hadith grants permission, not a duty. It allows you to remove a creature known to cause harm; it does not send you hunting geckos. The one on your wall that troubles no one places no obligation on you at all.

Three Questions for Any Apparent Conflict

When a text and a claim seem to collide, ask three things.

One. Is the report actually sound?

Two. Is the claim against it actually established, or is it conjecture dressed as fact?

Three. And am I reading the text in its own context, or forcing a modern frame onto it?

An AI summary fails the second test on its own; it gathers and guesses, and it errs with confidence. Run the three, and the tension nearly always dissolves.

Where a real puzzle survives honest checking, hold it with the humility of one who knows his limits: “And you have been given of knowledge only a little.” [Quran 17:85]

Take your religion from scholars and verified texts, and your science from genuine, established research rather than a chatbot’s paraphrase. That one habit will guard both your faith and your studies for years.

And Allah knows best.

[Shaykh] Faraz Rabbani

Related Answers

Hadiths at Odds with Science — The Sunni method for apparent conflicts between authentic reports and scientific findings, and how each is weighed.

Science or Hadith?: A Critical Discussion of Contradictory Hadiths The distinction between a hadith’s ruling, its context, and a natural detail it mentions in passing.

How Do I Understand My Doubts?— Practical counsel on holding questions without letting them unsettle certainty.

Shaykh Faraz Rabbani is a recognized specialist scholar in the Islamic sciences, having studied under leading scholars from around the world. He is the Founder and Executive Director of SeekersGuidance.

Shaykh Faraz stands as a distinguished figure in Islamic scholarship. His journey in seeking knowledge is marked by dedication and depth. He spent ten years studying under some of the most revered scholars of our times. His initial studies took place in Damascus. He then continued in Amman, Jordan.

In Damascus, he was privileged to learn from the late Shaykh Adib al-Kallas. Shaykh Adib al-Kallas was renowned as the foremost theologian of his time. Shaykh Faraz also studied under Shaykh Hassan al-Hindi in Damascus. Shaykh Hassan is recognized as one of the leading Hanafi jurists of our era.

Upon completing his studies, Shaykh Faraz returned to Canada in 2007. His return marked a new chapter in his service to the community. He founded SeekersGuidance. The organization reflects his commitment to spreading Islamic knowledge. It aims to be reliable, relevant, inspiring, and accessible. This mission addresses both online and on-the-ground needs.

Shaykh Faraz is also an accomplished author. His notable work includes “Absolute Essentials of Islam: Faith, Prayer, and the Path of Salvation According to the Hanafi School,” published by White Thread Press in 2004, which is a significant contribution to Islamic literature.

His influence extends beyond his immediate community. Since 2011, Shaykh Faraz has been recognized as one of the 500 most influential Muslims. This recognition comes from the Royal Islamic Strategic Studies Center. It underscores his impact on the global Islamic discourse.

Shaykh Faraz Rabbani’s life and work embody a profound commitment to Islamic scholarship. His teachings continue to enlighten and guide seekers of knowledge worldwide.