"Go To statement considered harmful."

“As a matter of fact, the adaptability of a program to changes in its objectives and to changes in its environment can be measured primarily in terms of the degree to which it is neatly structured.”

“Experience shows that the success of a programming course critically depends on the choice of these examples.”

“Programming is usually taught by examples.”

“Reliable and transparent programs are usually not in the interest of the designer.”

“During the process of stepwise refinement, a notation which is natural to the problem in hand should be used as long as possible.”

“... we do not consider it as good engineering practice to consume a resource lavishly just because it happens to be cheap.”