Challenging the Enemy for a Fight

“Abu ‘ Abd Allah (a.s.), was asked about challenging (to fight the enemy) while standing between the two confronting armies after the permission of the Imam. He (the Imam) said, ‘It is fine but it must not take place…

“Abu ‘Abd Allah (a.s.), has said that a man challenged a certain person from Banu Hashim to fight. He refused to fight. Amir al-Mu’minin (a.s.), asked, ‘What has made you to refuse?’ He replied, ‘He is an Arab knight and…