Who said "None have walked me who did not emerge transformed."?

This quote is attributed to The Bifrost.

None have walked me who did not emerge transformed. - The Bifrost

"None have walked me who did not emerge transformed."

The Bifrost Change

"I am the Bifrost, the rainbow bridge between worlds, forever connecting what was separated."

"All paths lead through me, whether mortals know it or not."

"To traverse me is to understand that all realms are one."

"I have witnessed the birth and death of civilizations across the Nine Realms."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."