does: "tou sa pou izit vit"mean Everything is short lived

No.  I don't think so.
I am not sure "izit" is  a H. Creole word.
Did you mean "isit"?

Try any of the following Creole phrases:
Everything is short lived.
Tout bagay pase vit
Tout bagay efemè
Tout bagay pa la pou lontan
Nan pwen anyen ki dire.

Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words