he replied i will never send him with you until you swear by allah that you will bring him back to me unless you are prevented and when they had given him their oath he said allah is the guardian of what we say
قال لن أرسله معكم حتى تؤتون موثقا من الله لتأتنني به إلا أن يحاط بكم فلما آتوه موثقهم قال الله على ما نقول وكيل