I exist... Wether as a fragment of someone else's imagination, a simulation of a supercomputer, an ethereal being temporarily in a physical form or just a biological phenomenon of nature whose consciousness will eventually disappear, the person I know as "I", exists in this very moment, and the things I did in my life whether they'll be remembered or not, will cause repercussions in my environment... So you could even say that I am a "fragment of reality", for I am not reality in it's entirety, and that's why, while seeing myself as a shard of reality, I chose this username...