Hadith 25:143
Waki' narrated to us, he said: Yunus bin Abi Ishaq narrated to us, from his father, from Shurayh, who said: When a boy avoids the well so that he does not fall into it, his will is valid.
حدثنا وكيع قال ثنا يونس بن أبي إسحاق عن أبيه عن شريح قال إذا اتقى الصبي الركى أن يقع فيها فقد جازت وصيته