The question of whether a computer can think is no more interesting than the question of whether a submarine can swim.

In this quote, Edsger Dijkstra, a pioneering Dutch computer scientist, addresses a fundamental question about artificial intelligence: Can a computer truly think? Dijkstra compares this philosophical inquiry to asking if a submarine can swim. He suggests that the question itself is irrelevant or misguided, as it misunderstands the nature of both computers and submarines. A submarine is designed to move through water, not swim like a fish, and similarly, a computer is designed to process information, not to think in the way humans do.

Dijkstra's remark is rooted in the idea that computers and machines should not be judged by human standards of thought or consciousness. The comparison to a submarine highlights the point that asking whether a computer can "think" imposes an anthropocentric view on something that functions differently. Instead of asking if a computer can think, it is more meaningful to explore what a computer can do within the scope of its designed abilities.

The origin of this quote is tied to Dijkstra's critical views on the development and philosophy of computing. As a key figure in the field of computer science, he often expressed his concerns about the direction of AI research and the assumptions made about computers’ capabilities. His focus was on clarity, precision, and the logical nature of computing, rather than engaging in speculative discussions about human-like intelligence in machines.

Ultimately, Dijkstra's quote encourages us to rethink the way we frame questions about machines and intelligence. Rather than asking if a computer can think, we should be more focused on understanding how computers function and what they can achieve within the limits of their programming and design. It’s a call for a more pragmatic and realistic approach to our understanding of technology.