"Is live worth living? That depends on the liver," is quite an anonymous, but knowledgeable, quote. Though this may seem a more modern way of viewing life itself, this quote actually resembles that of a much older perspective: that of an existentialist. Existentialism, is, essentially, the philosophy that life is meaningless, unless one defines that life. Two philosophers actively involved in this position were Soren Kierkegaard and Jean-Paul Sartre. While both can be considered existentialists, in that the quote above encompasses much of their beliefs, both of these men have significant differences in the way in which they view all fields of philosophy (metaphysics, epistemology, and axiology). However, though I am not personally an existentialist, my life in terms of existentialism has been influenced by both Kierkegaard and Sartre, despite their discrepancies.
One major difference between the two is that Sartre is an atheist. This metaphysical position is the basis for many of Sartre's existentialist opinions on other aspects of philosophy. …
