Touch seems to be as essential as sunlight.

As a species, we've somehow survived large and small ice ages, genetic bottlenecks, plagues, world wars and all manner of natural disasters, but I sometimes wonder if we'll survive our own ingenuity.

hope and uncertainty [are] the twin ingredients necessary for romance to thrive. ... Nothing begins with so much excitement and hope, or fails as often, as love.

Because poets feel what we're afraid to feel, venture where we're reluctant to go, we learn from their journeys without taking the same dramatic risks.

It began in mystery, and it will end in mystery, but what a savage and beautiful country lies in between.

I believe consciousness is brazenly physical, a raucous mirage the brain creates to help us survive.

Success produces success, just as money produces money.