Who said "Your efforts mean nothing. You'll all be dead eventually."?

This quote is attributed to Rick Sanchez.

Your efforts mean nothing. You'll all be dead eventually. - Rick Sanchez

"Your efforts mean nothing. You'll all be dead eventually."

Rick Sanchez Death

"I'm the smartest person in the universe. I invented my own science."

"Wubba lubba dub dub! That's my catchphrase for existential pain."

"Nobody exists on purpose. Nobody belongs anywhere. Everybody's gonna die."

"Your boos mean nothing, I've seen what makes you cheer."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."