 a man complained to the messenger of god about pain in his feet so he ordered him to treat his feet with it so he did so and he recovered and became healthy. then the messenger of god said o god bless it and let it grow wherever you wish.
وأن رجلا إلى رسول الله وجعا برجليه فأمره أن يعالج بها رجليه ففعل فبرأ وصح. فقال رسول الله اللهم بارك فيها انبتي حيث شئت .