C. A. R. Hoare

“The real value of tests is not that they detect bugs in the code, but that they detect inadequacies in the methods, concentration, and skills of those who design and produce the code.”

“I have learned more from my failures than can ever be revealed in the cold print of a scientific article.”

“Failures are much more fun to hear about afterwards; they are not so funny at the time.”

“One fine morning, when the emperor felt hot and bored, he extricated himself carefully from under the mountain of clothes and is now living happily as a swineherd in another story. The tailor is canonized as the patron saint of all consultants, because in spite of the enormous fees he extracted, he was never able to convince his clients of his dawning realization that their clothes have no Emperor.”