Orison Swett Marden (1848-1924) was an American writer who worked in the genre of inspirational prose writing about the ways to gain success in life. According to his philosophy of life, people can manage their lives as they create and transform the life around them themselves. 'The Call That Speaks In The Blood' is a short story by Orison Marden that represents a bright example of his writing style touching upon the topic of success and freedom and, in particular, the freedom of choice. The central figure of the story is a young boy who is interested in studing nature, collecting various insects and wandering in the wood. But his parents as well as the teachers in school consider this hobby to be a strange and worthless one and the boy is punished every time.