62:6.3

At first only the spirit of intuition could function in the instinctive and reflex behavior of the primordial animal life. With the differentiation of higher types, the spirit of understanding was able to endow such creatures with the gift of spontaneous association of ideas. Later on we observed the spirit of courage in operation; evolving animals really developed a crude form of protective self-consciousness. Subsequent to the appearance of the mammalian groups, we beheld the spirit of knowledge manifesting itself in increased measure. And the evolution of the higher mammals brought the function of the spirit of counsel, with the resulting growth of the herd instinct and the beginnings of primitive social development.