“The only real merit of a man is his power of doing that which is useful to mankind.”— James Northcote
“A large part of mathematics which becomes useful developed with absolutely no desire to be useful.”— John von Neumann
“The most important thing for me is to create something that people can really use in their daily lives.”— Issey Miyake
“It's just a tool. The whole idea was to make a tool that a musician could go out and earn a living with.”— Leo Fender
“In the long run, the most abstract, the most 'useless' research is the most useful of all.”— Fernand Braudel
“Mathematics – the unshaken Foundation of Sciences, and the plentiful Fountain of Advantage to human affairs.”— Isaac Barrow
“PHP is about as exciting as your toothbrush. You use it every day, it does the job, it is a simple tool, so what?”— Rasmus Lerdorf
“The 'real' mathematics of the 'real' mathematicians, the mathematics of Fermat and Euler and Gauss and Abel and Riemann, is almost wholly 'useless'.”— G. H. Hardy
“The Craftsman idea is to make useful things beautiful and beautiful things useful.”— Gustav Stickley