... the cooperative forces are biologically the more important and vital. The balance between the cooperative and altruistic tendencies and those which are disoperative and egoistic is relatively close. Under many conditions the cooperative forces lose, In the long run, however, the group centered, more altruistic drives are slightly stronger. ... human altruistic drives are as firmly based on an animal ancestry as is man himself. Our tendencies toward goodness... are as innate as our tendencies toward intelligence; we could do well with more of both.

... the cooperative forces are biologically the more important and vital. The balance between the cooperative and altruistic tendencies and those which are disoperative and egoistic is relatively close. Under many conditions the cooperative forces lose, In the long run, however, the group centered, more altruistic drives are slightly stronger. ... human altruistic drives are as firmly based on an animal ancestry as is man himself. Our tendencies toward goodness... are as innate as our tendencies toward intelligence; we could do well with more of both.

Widely dispersed knowledge concerning the important role of basic cooperative processes among living beings may lead to the acceptance of cooperation as a guiding principle both in social theory and as a basis for human behavior. Such a development when it occurs will alter the course of human history.