When they entered upon David and he was alarmed by them? They said, ' Fear not. -Quran Verses

38-Surah Sad ( The Letter Sad ) 22

When they entered upon David and he was alarmed by them? They said, ‘ Fear not. [We are] two adversaries, one of whom has wronged the other, so judge between us with truth and do not exceed [it] and guide us to the sound path.

﴿22﴾إِذْ دَخَلُوا عَلَىٰ دَاوُودَ فَفَزِعَ مِنْهُمْ ۖ قَالُوا لَا تَخَفْ ۖ خَصْمَانِ بَغَىٰ بَعْضُنَا عَلَىٰ بَعْضٍ فَاحْكُم بَيْنَنَا بِالْحَقِّ وَلَا تُشْطِطْ وَاهْدِنَا إِلَىٰ سَوَاءِ الصِّرَاطِ

Quran's Tafhim ( explanation)

*22) He was alarmed because the two men had appeared in the private quarters of the ruler of the land suddenly, by climbing over the wall, instead of going before him by the proper entrance.