The human race is doomed to sink back farther and farther into the primitive night ere again it begins its bloody climb upward to civilization.

She was thrilling to a desire that urged her to go forward, to be in closer to that fire, to be squabbling with the dogs, and to be avoiding and dodging the stumbling feet of men.

Some sorts of truth are truer than others.

They were firemakers! They were gods! [humans]

I would rather that my spark should burn out in a brilliant blaze than it should be stifled by dry-rot.

The life that is demanding to be born is limitless. Nature is a spendthrift. Look at the fish and their millions of eggs. For that matter, look at you and me. In our loins are the possibilities of millions of lives. Could we but find time and opportunity and utilize the last bit and every bit of the unborn life that is in us, we could become the fathers of nations and populate continents.

Our ape-like and arboreal ancestors entered upon the first of many short cuts. To crack a marrow-bone with a rock was the act which fathered the tool, and between the cracking of a marrow-bone and the riding down town in an automobile lies only a difference of degree.