In reading these pages no thoughtful mind can fail to perceive that for science also has dawned the vision splendid.

If history began with an era of force, its last and crowning achievement will be the era when love, organized into laws and institutions, will lend perfection to civilization.

The upward march of mankind has been slow and accompanied by tremendous losses.
At the beginning strength prevailed and weakness went to the wall; the bird with the swiftest wing first reached the fountain, the deer with the swiftest foot reached the place of shelter, the ox with the strongest thrust reached the richest fodder.

Pushed back, weakness perished, while strength prevailed and propagated.
This law of violence received its first check through the parental instinct.

Parenthood built a fortress with walls and bulwarks about the babe.