Who said "Smithers, you're the only one who cares for me."?

This quote is attributed to Mr. Burns.

Smithers, you're the only one who cares for me. - Mr. Burns

"Smithers, you're the only one who cares for me."

Mr. Burns Friendship

"Release the hounds!"

"I'm trying to be a better man, but it's exhausting."

"Money can be exchanged for goods and services."

"Smithers, release the robotic Richard Simmons!"

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."