“In the practical world of computing, it is rather uncommon that a program, once it performs correctly and satisfactorily, remains unchanged forever.”

“A good designer must rely on experience, on precise, logic thinking; and on pedantic exactness. No magic will do.”

“My duty as a teacher is to train, educate future programmers.”

“In the practical world of computing, it is rather uncommon that a program, once it performs correctly and satisfactorily, remains unchanged forever.”