Until women learn to want economic independence, and until they work out a way to get this independence without denying themselves the joys of love and motherhood, it seems to me feminism has no roots.
In the present state of our knowledge, it would be useless to attempt to speculate on the remote cause of the electrical energy... its relation to chemical affinity is, however, sufficiently evident. May it not be identical with it, and an essential property of matter?

