Who said "We are all students of the endless song"?

This quote is attributed to Led Zeppelin.

We are all students of the endless song - Led Zeppelin

"We are all students of the endless song"

Led Zeppelin Education

Rock Band British 1968–1980

"I've been dazed and confused for so long it's not true"

"The song remains the same"

"Whole lotta love is what I need"

"Black dog on my trail"

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."