But active programming consists of the design of new programs, rather than contemplation of old programs. – Niklaus Wirth
A good designer must rely on experience, on precise, logic thinking and on pedantic exactness. No magic will do. – Niklaus Wirth
In the practical world of computing, it is rather uncommon that a program, once it performs correctly and satisfactorily, remains unchanged forever. – Niklaus Wirth
Clearly, programming courses should teach methods of design and construction, and the selected examples should be such that a gradual development can be nicely demonstrated. – Niklaus Wirth