Søren Kierkegaard is widely regarded as the father of existentialism. His writings explored themes of individual existence, freedom, and the search for meaning in life.

Existentialism emphasizes the importance of individuals finding meaning and purpose in their own lives, rather than relying on external sources such as religion or society.

Existentialism and absurdism often highlight the inherent contradiction between the human desire for meaning and purpose, and the seemingly meaningless and indifferent universe in which we exist.

Jean-Paul Sartre famously asserted that 'existence precedes essence,' meaning that human beings exist before they are defined by any inherent characteristics or qualities.

Existentialism emphasizes the importance of authenticity, which involves living in accordance with one's own values and beliefs, rather than conforming to external expectations or societal norms.

Friedrich Nietzsche famously declared that 'God is dead,' symbolizing the decline of traditional religious beliefs and the need for individuals to find meaning and purpose in a secular world.

Absurdism emphasizes the inherent meaninglessness of life and the universe, and the human struggle to find meaning in a seemingly meaningless world.

Albert Camus is known for his absurdist novel 'The Stranger,' which explores themes of alienation, meaninglessness, and the search for purpose in a meaningless world.

Existentialism often emphasizes the importance of rebellion against societal norms and expectations, as individuals strive to live authentically and according to their own values.

Jean-Paul Sartre famously stated that 'man is nothing else but what he makes of himself,' emphasizing the importance of individual responsibility and the power of choice in shaping one's own existence.

Existential anxiety is a common theme in existentialism, referring to the fear and anxiety that arise from the awareness of one's own mortality and the meaninglessness of existence.

Samuel Beckett is known for his absurdist play 'Waiting for Godot,' which explores themes of existential boredom, futility, and the search for meaning in a seemingly meaningless world.

Existentialism emphasizes the importance of individual freedom and the power of choice in shaping one's own existence.

Jean-Paul Sartre famously stated that 'existence is prior to essence,' meaning that human beings exist before they are defined by any inherent characteristics or qualities.

Absurdism often features the concept of the absurd hero, a character who recognizes the meaninglessness of life but chooses to confront and embrace it, rather than succumb to despair or resignation.