Existentialists argue that the realization that the universe is ultimately meaningless and indifferent to our existence can lead to feelings of alienation and loneliness.

Existentialists believe that freedom is not simply the absence of constraints, but rather the ability to make meaningful choices in the face of an indifferent universe.

Existentialists argue that the individual and society are inextricably linked, and that each influences the other.

Existentialists believe that life has no inherent meaning, and that it is up to each individual to create their own meaning.

Existentialists believe that death is a natural part of life, and that it should be accepted as such.

Martin Heidegger is best known for his concept of 'being-in-the-world', which refers to the way in which we exist in the world as embodied beings.

Existentialists believe that authenticity is a state of being true to oneself, while inauthenticity is a state of being false to oneself.

Albert Camus is best known for his concept of the 'absurd', which refers to the conflict between the human desire for meaning and the meaninglessness of the universe.

Existentialists believe that choice is a source of freedom, and that it is through our choices that we create our own meaning in life.

Martin Heidegger is best known for his concept of 'dasein', which refers to the way in which we exist as human beings in the world.

Existentialists believe that the individual and the state are in conflict, and that the state often oppresses the individual.

Jean-Paul Sartre is best known for his concept of 'bad faith', which refers to the way in which we deceive ourselves about our own existence.

Existentialists believe that technology is a threat to human freedom, and that it can be used to control and manipulate people.

Søren Kierkegaard is best known for his concept of the 'leap of faith', which refers to the way in which we must make a commitment to faith without any rational justification.

Existentialists believe that the individual is connected to the divine, and that this connection can be a source of meaning and purpose in life.