In effect, the play explores the themes of existentialist philosophy
reflected in the emptiness during the waiting, leading the reader to wonder if there is anything in the waiting or in life itself.
By contrast, someone adopting an existentialist philosophy
along the lines of Jean-Paul Sartre or Simone de Beauvoir might believe that because "existence precedes essence," we are radically free to shape our lives according to our own choices, and do not need God to help us along.
This is more or less the contribution of continental thinkers such as Jean-Jacques Rousseau, existentialist philosophy
and German Romanticism.
He read existentialist philosophy
in the sixties; thus he quoted Camus & Sartre to his children.
These included viewing his eschatological message of the Kingdom of God in terms of existentialist philosophy
to seeing him as a Mediterranean Jewish peasant or a wandering cynic-sage.
Likewise, contemporary existentialist philosophy
and clinical psychology have led to the development of a model of personal wholeness that focuses on self-knowledge through therapy and introspection as the key to mental health and wellness.
Cox (philosophy, U of Birmingham) not only pulls from famous existential philosophers and thinkers but from modern day comedians and musicians in this entertaining and honest guide to living authentically within the framework of existentialist philosophy
. This self-help work pulls no punches in its examination of the uncompromising existentialist philosophy
of the human condition and how it applies to life, death, sex, being, nothingness, god, love, hate, freedom, sex, and anxiety, but is written with good humor.
My sense is that Europeans see Buber's contribution perhaps less in terms of Hasidic spirituality than within the canon of existentialist philosophy
. While not a Hasid (as you have pointed out), over time Buber adopted their mystic teachings from the "golden age" following the work of Israel Baal-Shem in the 18th century.
There he read the works of Soren Kierkegaard, whose existentialist philosophy
played an important role in his decisions to become a novelist instead of a physician and to convert to Roman Catholicism.
Frequently this notion is translated into, and thereby reduced to, the classic themes of existentialist philosophy
: the human subject alienated from society and separated from something of life.
Although close friend Simone de Beauvoir thought that Sartre wastes his writer's talent in philosophical discourse, his L'Etre et le Neant (Being and Nothingness 1943) is regarded as one of the corner stones of existentialist philosophy
in general and ethics in particular.
Liberal values and existentialist philosophy
as expounded by Immanuel Kant, Soren Kirkegord, Jean Paul Sartre, Albert Camus, etc found its expression in Malayalam through the genius of KP Appan.