Existentialists believe that each individual is responsible for creating their own meaning and purpose in life. They reject the idea that meaning and purpose are given to us by God, society, or tradition.

Existentialists believe that freedom is not simply the ability to do whatever you want. Rather, it is the ability to choose between different possibilities and to create your own meaning and purpose in life.

Existentialists believe that each individual is responsible for their own actions and decisions. They reject the idea that we can blame others for our mistakes or that we can avoid making difficult choices.

Existentialists believe that the meaning of life is not something that is given to us. Rather, it is something that we create for ourselves through our actions and decisions.

Jean-Paul Sartre is known for his concept of "bad faith", which is the state of being inauthentic or denying one's own freedom and responsibility.

Albert Camus is known for his concept of the "absurd", which is the idea that there is a fundamental contradiction between the human desire for meaning and the meaninglessness of the universe.

Søren Kierkegaard is known for his concept of the "leap of faith", which is the idea that we must make a commitment to faith even in the absence of rational proof.

Martin Heidegger is known for his concept of "being-in-the-world", which is the idea that human beings are always situated in a particular context or environment.

Søren Kierkegaard is known for his concept of "existential anxiety", which is the anxiety that arises from the realization of our freedom and responsibility.

Friedrich Nietzsche is known for his concept of "the will to power", which is the idea that all human beings are driven by a desire for power.

Friedrich Nietzsche is known for his concept of "eternal recurrence", which is the idea that the universe is cyclical and that everything that has happened will happen again an infinite number of times.

Friedrich Nietzsche is known for his concept of "the Übermensch", which is the idea of a superior human being who has overcome traditional morality and values.

Friedrich Nietzsche is known for his concept of "the death of God", which is the idea that God is dead and that we must now create our own values and meaning in life.

Viktor Frankl is known for his concept of "the existential vacuum", which is the feeling of emptiness and meaninglessness that can arise from a lack of purpose or direction in life.

Viktor Frankl is known for his concept of "logotherapy", which is a form of psychotherapy that focuses on helping people find meaning and purpose in their lives.