And we know what Helmholtz, the highest authority in Europe on the subject, has said about the human eye; that if an optician had sold him an instrument so carelessly made, he would have thought himself fully justified in returning it.

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "And we know what Helmholtz, the highest authority in Europe on the subject, has said about the human eye; that if an optician had sold him an instrument so carelessly made, he would have thought himself fully justified in returning it." in the context of "Charles Darwin, "The Descent of Man, and Selection in Relation to Sex" (1871)" to mean that wisdom is timeless.