MANY great thinkers have realized the power of thought. Marcus Aurelius said, "Remember that everything is but what we think it"; and as a character in one of Shakespeare's plays says, "There is nothing either good or bad but thinking makes it so"; and the writer of Proverbs declared of a man (23:7), "As he thinketh in his heart, so is he."
But it was Mrs. Eddy who revealed the art of right spiritual thinking and reduced it to demonstrable Science. In "Unity of Good" she writes (p. 32):
"Spirit is the only creator, and man, including the universe, is His spiritual concept. By matter is commonly meant mind,—not the highest Mind, but a false form of mind. This so-called mind and matter cannot be separated in origin and action.