Design can never be an ultimate explanation for anything. It can only be a proximate explanation. A plane or a car is explained by a designer but that's because the designer himself, the engineer, is explained by natural selection.

Richard Dawkins’s quote, “Design can never be an ultimate explanation for anything. It can only be a proximate explanation. A plane or a car is explained by a designer but that's because the designer himself, the engineer, is explained by natural selection,” emphasizes his evolutionary perspective on the origins of complexity. He distinguishes between proximate causes—like human design of machines—and ultimate causes, which in his view are explained by evolution through natural selection.

The meaning of this statement lies in Dawkins’s rejection of intelligent design as the final answer to complexity in the natural world. While human inventions such as a plane or car can be attributed to intentional designers, those designers themselves are products of evolutionary processes. In this sense, design is not an ultimate force but rather a result of deeper, natural mechanisms that shaped human intelligence and creativity.

The origin of this idea comes from Dawkins’s work as an evolutionary biologist and science communicator, particularly in books like The Blind Watchmaker (1986). There, he directly countered arguments that complex life forms must have been created by a divine designer, showing instead that natural selection is a sufficient explanation for the appearance of design in biology. His analogy of human-made objects illustrates the distinction between proximate explanations (human engineering) and ultimate ones (evolutionary processes).

Ultimately, the quote underscores Dawkins’s central argument that natural selection is the ultimate source of apparent design in both life and human achievement. By framing design as a proximate rather than ultimate cause, he emphasizes that even human ingenuity traces back to evolutionary origins. His words remind us that the complexity we see—whether in nature or in human creations—rests on the foundation of evolutionary history, not on external or supernatural explanations.