The Consciousness Curse

 is a shard in.

Location
This shard can be found during the Transmission quest. After you pass through a train car in the Maglev tunnels, check the crate on the left side.

Transcript
Man dies the way he was born: soft, weak and helpless. Death, the one certainty in this universe of chaos, can be both a tragic end and a release from suffering. It can come as an unexpected twist, or as a beautiful, crowning counterpart to a live [sic] well lived. The curse we face as humanity, the only living beings in constant awareness of death, is our inordinate focus on the fact. How much happier is the life of the gazelle that escapes the cheetah's clutches, thinking that it evaded death once and for all, than the poor soul living out his days knowing each step inches him closer to the void!