Mountains may move from their position, but you should not move from yours. Grit your teeth. Lend to Allah your head (in fighting for Allah, give yourself to Allah). Plant your feet firmly on the ground. Have your eye on the remotest foe and close your eyes (to their numerical majority). And keep sure that succour is but from Allah, the Glorified.
ومن كلام له (عليه السلام) لابنه محمّد بن الحنفية لمّا أعطاه الراية يوم الجمل تَزُولُ الجِبَالُ وَلاَ تَزُلْ! عَضَّ عَلَى نَاجِذِكَ، أَعِرِ اللهَ جُمجُمَتَكَ، تِدْ في الاْرْضِ قَدَمَكَ، ارْمِ بِبَصَرِكَ أَقْصَى القَوْمِ، وَغُضَّ بَصَرَكَ، وَاعْلَمْ أَنَّ النَّصْرَ مِنْ عِنْدِ اللهِ سُبْحَانَهُ.
(1) Al-Mamatiri, Nuzhat al-'absar, see 'Abd al-Zahra', I, 340; (2) al-Zamakhshari, Rabi', IV*, bab al-qatl wa al-shahadah.*
Regarding the incitement of Satan: alluding to a particular group of people (about Talhah and az-Zubayr)
When Allah gave him (Amir al-mu'minin) victory over the enemy at the Battle of Jamal one of his comrades said on that occasion, "I wish my brother ..."