Who said "I teach that strength lies not in walls, but in bridges."?

This quote is attributed to The Bifrost.

I teach that strength lies not in walls, but in bridges. - The Bifrost

"I teach that strength lies not in walls, but in bridges."

The Bifrost Strength

"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."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."