“You cannot rely upon what you have been taught. All you have learned from history is old ways of making mistakes. There is nothing that history can tell you about what we must do tomorrow. Only what we must not do.”
Address to Polaroid employees at Symphony Hall in Boston, Massachusetts (5 February 1960), as quoted in Insisting on the Impossible : The Life of Edwin Land (1998) by Victor K. McElheny, p. 198
Context: The world is a scene changing so rapidly that it takes every bit of intuitive ability you have, every brain cell each one of you has, to make the sensible decision about what to do next. You cannot rely upon what you have been taught. All you have learned from history is old ways of making mistakes. There is nothing that history can tell you about what we must do tomorrow. Only what we must not do.
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Edwin H. Land 44
American scientist and inventor 1909–1991Related quotes

“Why be angry because of what you cannot do? We all have to do what we can. . . . Als ich kann."”
Gottfried to Jean-Christophe. Part 3: Ada
Jean-Christophe (1904 - 1912), Youth (1904)
Context: Be reverent before the dawning day. Do not think of what will be in a year, or in ten years. Think of to-day. Leave your theories. All theories, you see, even those of virtue, are bad, foolish, mischievous. Do not abuse life. Live in to-day. Be reverent towards each day. Love it, respect it, do not sully it, do not hinder it from coming to flower. Love it even when it is gray and sad like to-day. Do not be anxious. See. It is winter now. Everything is asleep. The good earth will awake again. You have only to be good and patient like the earth. Be reverent. Wait. If you are good, all will go well. If you are not, if you are weak, if you do not succeed, well, you must be happy in that. No doubt it is the best you can do. So, then, why will? Why be angry because of what you cannot do? We all have to do what we can.... Als ich kann.
Knowing Yourself: The True in the False (1996)

Mona Sahlin in a speech to the Turkish youth organization Euroturk, March, 2002 http://turkiskaungdomsforbundet.blogspot.com/2010/11/euroturk-pa-natet.html

Source: 1961 - 1980, transcript of a public forum at Boston university', conducted by Joseph Ablow 1966, pp. 68/69

Source: Tomorrow Is Now (1963), p. 134