The second philosopher is Harry Frankfurt, whose ideas are similar to those of David Hume. Frankfurt has two ways in which he views how to be a person. The first is being moved by volitional necessity and how to have free wills. Frankfurt's views on how to have a free will starts with animals in Freedom of the will and the concept of a person, by Frankfurt. Animals can only have first order desires, which are represented as X. Then there are humans who want first order desires, X, but also want to have second order desires, Y. Furthermore, there are people who can take their primary and secondary order desires, X and Y, and make them into the wills they want, these are called second order volitions. This is the main distinction between humans
