The Singularity is Near: When Humans Transcend Biology

by Ray Kurzweil

simply an accident of fate that our brains are too weak to understand themselves.

Two billion years ago, our ancestors were microbes; a half-billion years ago, fish; a hundred million years ago, something like mice; ten million years ago, arboreal apes; and a million years ago, proto-humans puzzling out the taming of fire. Our evolutionary lineage is marked by mastery of change. In our time, the pace is quickening. —CARL SAGAN

Not surprisingly, the concept of complexity is complex.