The Prophet [SAW] used to seek refuge with Allah from cowardice, miserliness, the tribulation of the heart and the torment of the grave.  

أَنَّ النَّبِيَّ ﷺ كَانَ يَتَعَوَّذُ مِنَ الْجُبْنِ وَالْبُخْلِ وَفِتْنَةِ الصَّدْرِ وَعَذَابِ الْقَبْرِ