Quote
"In our profession, precision and perfection are not a dispensable luxury, but a simple necessity."
"Programming is usually taught by examples."

Niklaus Emil Wirth was a Swiss computer scientist. He designed several programming languages, including Pascal, and pioneered several classic topics in software engineering. In 1984, he won the Turing Award, generally recognized as the highest distinction in computer science, "for developing a sequence of innovative computer languages".
"In our profession, precision and perfection are not a dispensable luxury, but a simple necessity."
"... we do not consider it as good engineering practice to consume a resource lavishly just because it happens to be cheap."
"During the process of stepwise refinement, a notation which is natural to the problem in hand should be used as long as possible."
"As a matter of fact, the adaptability of a program to changes in its objectives (often called maintainability) and to changes in its environment (nowadays called portability) can be measured primarily in terms of the degree to which it is neatly structured."
"Software gets slower faster than hardware gets faster."
"Go To statement considered harmful."