We correctly surmise designed objects, such as stone tools, to be the product of an intelligent designer and thus naturally assume that all functional objects, such as eyes, must have also been intelligently designed.

• 我们正确推断，石器之类经过设计的东西是智慧设计者的产物，并因此假定，所有具功能的物体（例如眼睛），必然也是由智慧者所设计。