Your manuscript is both good and original, but the part that is good is not original, and the part that is original is not good.
Source: In 1,911 Best Things Anybody Ever Said, ed. Robert Byrne, 1988.
-- Samuel Johnson, (Sep 18 1709-1784), English lexicographer, critic; He was remembered for writing the first critique of Shakespeare, 1765 and Dictionary of the English Language, 1755.