It's not enough to be Hungarian, you must have talent too.
Variant: It's not enough to be Hungarian, or a Jew, you also need some talent.
As quoted in: Fodor's Hungary (D. McKay., 1972) by Eugene Fodor, p. 54. Also in The Listener - Volume 107 (British Broadcasting Corporation, 1982), p. 23. Also in Alexander Korda: the man who could work miracles (Virgin Books, 1990) by Karol Kulik, p. 142