My cardinal error was that, I trusted persons whom I knew, and helped, for twenty years; I regarded them as reliable and trustworthy friends.
Source, in full
On the letter to the editor of The Times sent on 13 September 1967, quoted in Iskander Mirza Speaks: Speeches, Statements and Private Papers (1997), compiled and edited by Ahmad Salim, Gora Publishers. Excerpted from the official website of Khurram Ali Shafique