“The last 10 percent of performance generates one-third of the cost and two-thirds of the problems.”— Norman Ralph Augustine
“The perfect race car crosses the finish line in first place and subsequently falls into its component parts.”— Ferdinand Porsche
“The difference between a tool and a machine is not capable of very precise distinction; nor is it necessary, in a popular explanation of those terms, to limit very strictly their popular acceptation.”— Charles Babbage
“My object has not been to make a beautiful machine, but a thoroughly practical one.”— Lawrence Hargrave
“When I was a schoolboy, I was interested in building machines. I was not interested in mathematics.”— Konrad Zuse
“The glass is neither half-empty nor half-full. It's simply twice as big as it needs to be.”— Grace Hopper
“These semantic aspects of communication are irrelevant to the engineering problem.”— Claude Shannon
“Among the many mechanical contrivances which I have had the good fortune to bring to a successful issue, there is none which has given me so much pleasure as my steam-hammer.”— James Nasmyth