In Biblical usage the fear of God is a positive concept. It is a profound reverence and deep respect for God, a strong desire not to displease him.
يَتَحَدَّثُ ٱلْكِتَابُ ٱلْمُقَدَّسُ عَنْ خَوْفِ ٱللهِ عَلَى أَنَّهُ صِفَةٌ إِيجَابِيَّةٌ .‏