أَسْتَغْفِرُ اللهَ الَّذِي لَا إِلَهَ إلَّا هُوَ الحَيُّ القَيّوُمُ وأَتُوبُ إِلَيهِ.

Astaghfirul-lahal-lathee la ilaha illa huwal-hayyul-qayyoomu wa-atoobu ilayh.

‘I seek Allah’s forgiveness, besides whom, none has the right to be worshipped except He, The Ever Living, The Self-Subsisting and Supporter of all, and I turn to Him in repentance.’

…Allah would forgive him even if he was one who fled during the advance of an army.’

preoccupied: i.e. in a state of ‘forgetfulness’. The Prophet (SAWS) always used to increase in his remembrance of his Lord, in attaining a nearness to Allah and having consciousness of Allah to the extent that if this intensity lessened in anyway, he would regard it as a sin and would then race to seek forgiveness from Allah.