Anyone kills a gecko with the first strike will have one hundred good deeds recorded for him; and with the second strike lesser than that, and with the third strike lesser than that. [Muslim]

«من قتل وَزَغًا في أول ضربة كتب له مائة حسنة، وفي الثانية دون ذلك، وفي الثالثة دون ذلك». [مسلم]