"undergo in the course of their growth a series of complicated changes, during which they acquire organs which have no function, and which, after remaining visible for a short time, disappear without leaving a trace . . . The explanation of such facts is obvious. The stage when the tadpole breathes by gills is a repetition of the stage when the ancestors of the frog had not advanced in the scale of development beyond a fish."

"In such a volatile climate, change became one of the few constants upon which businessmen could rely. Economic survival often depended upon innovative resiliency; firms with higher unit costs and pric…"

"The accidents of our bodily constitution can always play this revealing role on the condition that they become a means of extending our knowledge by the consciousness which we have of them, instead of…"

"All doctrines relating to the creation of the world, the government of man by superior beings, and his destiny after death, are conjectures which have been given out as facts, handed down with many ad…"

"In order that woman should reach the same standard as man, she ought, when nearly adult, to be trained to energy and perseverance, and to have her reason and imagination exercised to the highest point…"