The phrase "all human existence" is correct and usable in written English.
It can be used when discussing the entirety of human life, experience, or the human condition in a philosophical or existential context.
Example: "The quest for meaning has been a central theme throughout all human existence."
Alternatives: "the entirety of human life" or "the totality of human experience".
Mr. Palomar, Calvino says, begins to imagine the end of all human existence, of time itself.
The fact that all human existence seems reliant on them means they are permanently excused from swatting.
The great epics of India (Mahabharata and Ramayana) came to function as encyclopaedias of knowledge and provided models for all human existence.
Such a creative, fertile environment is not only possible but it is the only one that can return philosophy to its worthy purpose, namely the investigation of all human existence.
While waiting, I'm often powerfully afflicted by a sweeping, oceanic feeling, which I can usually keep at bay, that might be described as the Conviction of the Futility of All Human Existence, but Especially My Own.
French post-structuralist philosopher and cultural theorist Jean Baudrillard's theory from his 1981 text Simulacra and Simulation – that meaning in modern life has been replaced by symbols, and that all human existence merely simulates reality – has become, well, reality (TV).
I called the marriage and family therapist (MFT) up to discuss a current patient of his, and what it's like to try to help a virgin in his early 30s learn to attract women while simultaneously dismantling the idea that having a sexual relationship is the end-all-be-all of human existence.
Nor is there any understanding of how Alcibiades, in Plato's "Symposium," could call Socrates unique in all of human existence.
But whereas those of "The Matrix" were essentially audiovisual, those of "Cloud Atlas" are informational: the movie's underlying argument is that all of human existence is data, and that, if you type just the right terms into the cosmic search engine, you'll get slices of life that make for deeply meaningful cross-sections of existence.
Again, this is a trick we've seen before (Pleasantville, Zentropa – aka Europa) but if you buy The Giver's subtext that all of human existence is the repetition and reinterpretation of the same story, these constant feelings of thematic deja vu help it sell the premise.
