And how could it have been otherwise?
I have read the stories of many miracles.
But one of them was lacking; the miracle of the survival of man.
How and in what manner and why the most defenseless of all mammals should have been able to maintain himself against microbes and mastodons and ice and heat and eventually become master of all creation, is something I shall not try to solve in the present chapter.
One thing, however, is certain. He never could have accomplished all this alone.
In order to succeed he was obliged to sink his individuality in the composite character of the tribe.
Primitive society therefore was dominated by a single idea, an all-overpowering desire to survive.
This was very difficult.