On why he preferred conducting the Berlin Philharmonic to the Vienna Philharmonic
Herbert von Karajan in Brian Moynahan, 'Funeral in Berlin', The Sunday Times, 30 January 1983, quoted in Norman Lebrecht, The Book of Musical Anecdotes.
Herbert von Karajan: Citations en anglais
“Those who have achieved all their aims probably set them too low.”
Die 7 Geheimnisse der Dirigenten-Legende in Bild, 4. April 2008
Apocryphal; see New York Times http://www.nytimes.com/1989/07/17/obituaries/herbert-von-karajan-is-dead-musical-perfectionist-was-81.html?pagewanted=all&src=pm