“Anyone that gets to side four is dumber than I am.”
Of his 'Metal Machine Music' double album, as quoted at BBC - collective - Lou Reed: RR Buyer's Guide http://www.bbc.co.uk/dna/collective/A2580725 (and elsewhere; please put the original here if you know it.)
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Lou Reed 31
American musician 1942–2013Related quotes

Addressing unnamed cards-playing teammates on June 14, 1969, Bill Mazeroski Day https://news.google.com/newspapers?id=P3kfAAAAIBAJ&sjid=EVAEAAAAIBAJ&pg=7484%2C5218474; as quoted in Reflections on Roberto (1994) by Phil Musick, p. 29
Baseball-related, <big><big>1960s</big></big>, <big>1969</big>

Dancing Nancies
Under the Table and Dreaming (1994)
“Now that I know that I am no wiser than anyone else, does this wisdom make me wiser?”
Source: Notes to Myself: My Struggle to Become a Person

1960s, Beyond Vietnam: A Time to Break Silence (1967)
Context: I am convinced that if we are to get on the right side of the world revolution, we as a nation must undergo a radical revolution of values. We must rapidly begin the shift from a "thing-oriented" society to a "person-oriented" society. When machines and computers, profit motives and property rights are considered more important than people, the giant triplets of racism, materialism, and militarism are incapable of being conquered.

Source: Munich - Speech of April 12, 1922 https://archive.org/stream/TheSpeechesOfAdolfHitler19211941/hitler-speeches-collection_djvu.txt