You might like to read the transcription of Sartre's lecture "Existentialism is a Humanism." It's available online at https://www.marxists.org/reference/archive

You might like to read the transcription of Sartre's lecture "Existentialism is a Humanism." It's available online at https://www.marxists.org/reference/archive/sartre/works/exist/sartre.htm https://www.marxists.org/reference/archive/sartre/works/exis... . He wrote a lot on how to reconcile living in a world that he believed was devoid of inherent meaning and the sense of despair that this causes most people.