Who said "To work in service of others is to work without burden."?

This quote is attributed to The Bifrost.

To work in service of others is to work without burden. - The Bifrost

"To work in service of others is to work without burden."

The Bifrost Work

"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."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."