The mutual-aid tendency in man has so remote an origin, and is so deeply interwoven with all the past evolution of the human race, that is has been maintained by mankind up to the present time, notwithstanding all vicissitudes of history.
![The mutual-aid tendency in man has so remote an origin, and is The mutual-aid tendency in man has so remote an origin, and is Image](https://www.idlehearts.com/images/the-mutualaid-tendency-in-man-has-so-remote-an-origin-and-is.jpg?x85372)
The mutual-aid tendency in man has so remote an origin, and is so deeply interwoven with all the past evolution of the human race, that is has been maintained by mankind up to the present time, notwithstanding all vicissitudes of history.