Therefore we can afford many mistakes in the search. The main thing is to make them as fast as possible.

In reference to understanding the nature of quantum measurement, as quoted by Charles W. Misner, Kip S. Thorne, and Wojciech H. Zurek. "John Wheeler, relativity, and quantum information." Physics Today 62, no. 4 (April 2009): 40–46 (quote from p. 44)