Through all this ordeal his root horror had been isolation, and there are no words to express the abyss between isolation and having one ally. It may be conceded to the mathematicians that four is twice two. But two is not twice one; two is two thousand times one. That is why, in spite of a hundred disadvantages, the world will always return to monogamy.

Like any man, he was coward enough to fear great force; but he was not quite coward enough to admire it.

Who would condescend to strike down the mere things he does not fear? Who would debase himself to be merely brave, like any common prize-fighter? Who would stoop to be fearless - like a tree? Fight the thing that you fear.

One would think it would be most unwise in a man to be afraid of a skeleton, since Nature has set curious and quite insuperable obstacles to his running away from it.