But active programming consists of the design of new programs, rather than contemplation of old programs.

In the quote, "But active programming consists of the design of new programs, rather than contemplation of old programs," Niklaus Wirth, a Swiss computer scientist, is emphasizing the importance of innovation and creation in the field of programming. He contrasts the act of designing and building new programs with the more passive activity of reflecting on or modifying existing ones. Wirth suggests that active programming is not about dwelling on past solutions but about forward-thinking, where the focus should be on solving new problems through the development of new software.

Wirth’s statement reflects his belief in the continual evolution of technology. Rather than simply reworking or maintaining older programs, he advocates for creativity and problem-solving through the design of new systems and applications. This aligns with his broader philosophy that programming is an active, dynamic process that drives technological progress, and that staying innovative and adaptable is key to advancing the field.

The context of Wirth's quote likely stems from his own experience in the development of influential programming languages, such as Pascal. As someone who contributed significantly to the development of high-level programming languages, Wirth understood that technological advancement requires forward momentum. His assertion points out that true growth in the field of programming comes from creating solutions to new challenges, not from getting stuck in the past.

Ultimately, Wirth’s quote encourages a proactive mindset for programmers, urging them to focus on the challenges and opportunities of the present and future. He advocates for a continuous cycle of design, innovation, and creation, where programming is an evolving discipline driven by the pursuit of new ideas and solutions.