Jungles and grasslands are the logical destinations, and towns and farmland the labyrinths that people have imposed between them sometime in the past. I cherish the green enclaves accidentally left behind.

The real problem of humanity is the following: we have paleolithic emotions; medieval institutions; and god-like technology. And it is terrifically dangerous, and it is now approaching a point of crisis overall.

Only in the last moment in history has the delusion arisen that people can flourish apart from the rest of the living world.

The true evolutionary epic, retold as poetry, is as intrinsically ennobling as any religious epic.

The cutting of primeval forest and other disasters, fueled by the demands of growing human populations, are the overriding threat to biological diversity everywhere.

Individual versus group selection results in a mix of altruism and selfishness, of virtue and sin, among the members of a society.

Humanity needs a vision of an expanding and unending future.