Human uses of mammals that "one is well advised to study the behaviour rather than attempting to get at any underlying emotion". Charles Darwin however had accepted the idea of emotion in animals, writing his 1872 book "The Expression of the Emotions in Man and Animals" on the subject. Darwin believed that mammals had social, mental and moral lives. In "The Descent of Man" (1871), he wrote: "There is no fundamental difference between man and the higher mammals in their mental faculties." Biologists remained wary of the idea, even for the great apes, but this led to serious difficulties, as Donald O. Hebb explained
Emotions in the workplace to motivate those around him/her and have more opportunities within the company. Being able to bring out positive emotions and aware of how to do this can be an incredibly useful tool in the workplace. "Positive mood also elicits more exploration and enjoyment of new ideas and can enhance creativity" (Isen, 2000). A manager who is able to reward and speak to his employees in a way that brings out their positive emotions will be much more successful than one who lacks these skills. “As the nature of the U.S. and global economies is increasingly transforming from manufacturing to service,