'Abdullah reported: We were with Allah's Messenger (ﷺ) in a cave when there was revealed to him (the Sura al-Mursalat, i. e. Sura lxxvii.:" By those sent forth to spread goodness" ) and we had just heard (it) from his lips that there appeared before us a snake. He said: Kill it. We hastened to kill it, but it slipped away from us, thereupon Allah's Messenger (ﷺ) said: Allah saved it from your harm just as he saved you from its evil.