The Bhagavad Gita is one of the noblest scriptures of India, one of the deepest scriptures of the world ... a symbolic scripture, with many meanings, containing many truths .... [that] forms the living heart of the Eastern wisdom.
Source, in full
Johnston, Charles Bhagavad Gita: "The Song Of the Master" - By trans. (Flushing, New York: Charles Johnston, 1908, pp. vi-xvii. , as quoted in Londhe, S. (2008). A tribute to Hinduism: Thoughts and wisdom spanning continents and time about India and her culture