I hesitate not to pronounce the Gita a performance of great origmality, of sublimity of conception, reasoning and diction almost unequalled; and a single exception, amongst all the known religions of mankind.
Source, in full
Keay, John India Discovered: the achievement oj the British Raj; photographed by Clive Friend; designed by Philip Clucas ; produced by Ted Smart and David Gibbon. Leicester: Windward, 1981. p 25 quoted in Londhe, S. (2008). A tribute to Hinduism: Thoughts and wisdom spanning continents and time about India and her culture. New Delhi: Pragun Publication.