Holy writ

[устаревшее, религия] Священное Писание, Библия

Большой англо-русский словарь

Holy writ

noun Usage: often capitalized H&W 1. bible 1 2. a writing or utterance having unquestionable authority Example: its financial precepts were not necessarily Holy Writ — Herbert Stein

Merriam-Webster's Collegiate Dictionary