Who said "Death is not an ending. It is a transition."?

This quote is attributed to Mantis.

Death is not an ending. It is a transition. - Mantis

"Death is not an ending. It is a transition."

Mantis Death

"I am Mantis. I like to laugh and enjoy life."

"Your emotions are like a flower - they need care to bloom."

"I find joy in the simplest moments with friends."

"Change is not scary; it is how we grow."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."