Jean-Paul Sartre, in his work Being and Nothingness, argued that existence precedes essence, meaning that our existence as human beings is not predetermined by any fixed or inherent nature, but rather is created through our actions and choices.

Existentialists argue that the primary source of human anxiety is the fear of freedom, or the realization that we are responsible for creating our own meaning and purpose in life.

Existentialists believe that authenticity involves being true to oneself, living in accordance with one's values, and taking responsibility for one's actions.

Albert Camus, in his work The Myth of Sisyphus, argued that the absurd is the fundamental condition of human existence, as there is no inherent meaning or purpose in life.

Existentialists believe that death is the ultimate limit of human existence, that it forces us to confront the meaninglessness of life, and that it motivates us to live authentically.

Jean-Paul Sartre, in his work Being and Nothingness, argued that humans are 'condemned to be free', meaning that we are responsible for creating our own meaning and purpose in life.

Existentialists believe that choice is the foundation of human freedom, that it allows us to create our own meaning and purpose in life, and that it is a source of anxiety and responsibility.

Jean-Paul Sartre, in his work Being and Nothingness, argued that the individual is the only authentic source of meaning and value, as we are responsible for creating our own meaning and purpose in life.

Existentialists believe that the individual is both in conflict with and a product of society, as we are shaped by our social context but also have the freedom to choose our own path in life.

Martin Heidegger, in his work Being and Time, argued that the individual is 'thrown' into the world, meaning that we are born into a particular context and situation that we did not choose.

Existentialists believe that the past determines our present and future, that it can be overcome through choice and action, and that it is a source of anxiety and regret.

Jean-Paul Sartre, in his work Being and Nothingness, argued that the individual is 'condemned to meaning', meaning that we are responsible for creating our own meaning and purpose in life.

Existentialists believe that the individual is both separate from and a part of the universe, as we are unique individuals but also connected to the larger world.

Jean-Paul Sartre, in his work Being and Nothingness, argued that the individual is 'radically free', meaning that we have the freedom to choose our own path in life, regardless of our circumstances.

Existentialists believe that the ultimate goal of human existence is to find meaning and purpose in life, to achieve happiness and fulfillment, and to live an authentic life.