Who said "In the face of eternity, all grievances seem small."?

This quote is attributed to Heimdall.

In the face of eternity, all grievances seem small. - Heimdall

"In the face of eternity, all grievances seem small."

Heimdall

"I am Heimdall, guardian of the Bifrost. I see all, I hear all."

"The nine realms are connected, and I watch over every thread that binds them."

"Vigilance is not a burden—it is a privilege."

"I have stood at this post since before your kind learned to walk upright."