“You can play the piano with the white keys only or you can play it with only the black keys. But for harmony you must use the black and the white keys.”
On the Economic Partnership Agreement (EPA), in Will Ross, " Africans wary of Europe's trade offer http://news.bbc.co.uk/2/hi/africa/7134407.stm", BBC (8 December, 2007).
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Ernest Debrah 1
Ghanian politician 1947–2016Related quotes

Source: The Master of Go (1951), Ch. 38, p. 164.
Context: That play of black upon white, white upon black, has the intent and takes the form of creative art. It has in it a flow of the spirit and a harmony of music. Everything is lost when suddenly a false note is struck, or one party in a duet suddenly launches forth on an eccentric flight of his own. A masterpiece of a game can be ruined by insensitivity to the feelings of an adversary.
Source: Piano Notes: The World of the Pianist (2002), Ch. 3 The Instrument and Its Discontents

“When you have something in black and white, you can deal with it quicker.”

OK who's going to identify that?
The Guardian, Saturday 26 April 2008

As quoted in Seriously Funny (2009), by G. Nachman, p. 606

Variant: There's nothing remarkable about it. All one has to do is hit the right keys at the right time and the instrument plays itself.

"The Case for Comedy", Lanterns & Lances (1961).
From Lanterns and Lances

Source: 1930s, On my Painting (1938), pp. 13-14
As quoted by Joe Romersa (c. 1992)
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