"Whenever anyone says, ‘theoretically,’ they really mean, ‘not really.’" ― Dave Parnas Topic(s): Science More From Dave Parnas "As a rule, software systems do not work well until they have been used, and have failed repeatedly, in real applications." More In Science "Science makes no pretension to eternal truth or absolute truth."― E. T. Bell "The power of visibility can never be underestimated."― Margaret Cho "English is necessary as at present original works of science are in English. I believe that in two decades times original works of science will start coming out in our languages. Then we can move over like the Japanese."― Abdul Kalam