"The teacher of good, for him everything seeks forgiveness even whale in the sea."

عن جابر قال: قال رسول الله صلى الله عليه و سلم "معلم الخير يستغفر له  كل شيئ حى الحيتان في البحار" ـ الصحيحة: 3024.

From Jaabir [that] he said, the Messenger of Allah sallallahu alayhe wa sallamsaid, "The teacher of good, for him everything seeks forgiveness even whale in the sea." AsSahih: 3024.