“In all branches of commerce and industry, history shows dramatic reduction in the error rates when their cost is brought back from the customer to the perpetrator.”
Tony Hoare
How Did Software Get So Reliable Without Proof? (Primary source)
Despite early fears that software systems would be too error-prone to scale, modern software has become remarkably reliable. This reliability emerged not from widespread formal proofs, but from sound engineering practices like rigorous project management, comprehensive testing, and defensive design.
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“The price of reliability is the pursuit of the utmost simplicity.”
— Tony Hoare Primary source“There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies.”
— Tony Hoare Primary source“What is the central core of the subject [computer science]? What is it that distinguishes it from the separate subjects with which it is related? What is the linking thread which gathers these disparate branches into a single discipline? My answer to these questions is simple—it is the art of programming a computer.”
— Tony Hoare Primary source“Here is a language so far ahead of its time that it was not only an improvement on its predecessors but also on nearly all its successors.”
— Tony Hoare Primary source“He that can have patience can have what he will.”
— Benjamin Franklin Primary source“All things are easy to industry, all things difficult to sloth.”
— Benjamin Franklin Primary source“This people must cease to hold slaves, and to make war on Mexico, though it cost them their existence as a people.”
— Henry David Thoreau Primary source“How much pain have cost us the evils which have never happened!”
— Thomas Jefferson Primary source