Should we fear that the Devil or the demons might hear our prayers and interfere? The answer is no. Why not?
هَلْ نَخَافُ أَنْ يَسْمَعَنَا ٱلشَّيْطَانُ وَأَبَالِسَتُهُ وَيَسْتَخْدِمُوا مَا نَقُولُهُ ضِدَّنَا ؟‏