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.

In this quote, Niklaus Wirth emphasizes the importance of teaching design and construction methods in programming courses. Wirth argues that simply learning how to write code is not enough; students should also be taught how to approach problem-solving systematically, designing solutions from the ground up. The focus should be on methods that allow for gradual development, ensuring that students can see the progression from initial concepts to fully implemented systems.

Wirth’s statement reflects his belief in the structured nature of programming and the need to build a strong foundation in design principles. He advocates for selecting examples that demonstrate incremental learning, where students can observe how a solution evolves and improves over time. This approach helps learners understand the process of refining and optimizing code, rather than simply relying on quick fixes or patchwork solutions.

The origin of this quote comes from Wirth's work as a computer scientist and educator, who is best known for designing the Pascal programming language. As a pioneer in the field of computer science, Wirth was deeply interested in how programming could be taught more effectively, emphasizing the importance of teaching structured approaches to problem-solving. His perspective shaped modern programming education, influencing how courses are structured to this day.

Ultimately, Wirth’s quote advocates for an educational approach that integrates both the technical and methodological aspects of programming. By focusing on design and construction, he suggests that students not only learn how to write code but also understand how to organize and optimize their work for greater efficiency and clarity. This emphasis on gradual development ensures that students can build a solid foundation that will support more complex projects in the future.