Existentialists believe that moral values are not objective or universal, but rather are subjective and based on individual experience.

Existentialist ethics is centered around the concepts of freedom, responsibility, and authenticity.

Existentialists believe that the highest moral good is authenticity, which means living in accordance with one's true self.

Existentialists believe that anxiety is a necessary emotion for moral decision-making because it forces us to confront our freedom and responsibility.

Existentialists believe that freedom and responsibility are directly related, meaning that the more freedom we have, the more responsibility we have.

Existentialists believe that choice is a necessary condition for moral action, but it is not sufficient.

Existentialism is a secular philosophy that does not rely on religious beliefs or doctrines.

Jean-Paul Sartre is most closely associated with the concept of "bad faith", which refers to the state of being inauthentic or denying one's true self.

Albert Camus is most closely associated with the concept of "the absurd", which refers to the inherent meaninglessness of life.

Simone de Beauvoir is most closely associated with the concept of "feminism", which refers to the advocacy of women's rights and equality.

Martin Heidegger is most closely associated with the concept of "being-in-the-world", which refers to the way in which human beings exist in the world.

Friedrich Nietzsche is most closely associated with the concept of "the death of God", which refers to the idea that God is dead and that human beings must now create their own values and meaning in life.

Friedrich Nietzsche is most closely associated with the concept of "the eternal return", which refers to the idea that everything that has happened will happen again an infinite number of times.

Friedrich Nietzsche is most closely associated with the concept of "the will to power", which refers to the idea that the fundamental drive of all human beings is to increase their power.

Friedrich Nietzsche is most closely associated with the concept of "the Übermensch", which refers to the idea of a superior human being who has overcome traditional morality and values.