When I go biking, I repeat a mantra of the day's sensations: bright sun, blue sky, warm breeze, blue jay's call, ice melting and so on. This helps me transcend the traffic, ignore the clamorings of work, leave all the mind theaters behind and focus on nature instead. I still must abide by the rules of the road, of biking, of gravity. But I am mentally far away from civilization. The world is breaking someone else's heart.

As people flock to urban centers where ground space is limited, cities with green walls and roofs and skyscraper farms offer improved health and well-being, renewable resources, reliable food supply, and relief to the environment.

Look in the mirror. The face that pins you with its double gaze reveals a chastening secret.

Variety is the pledge that matter makes to living things.

We think of it as a sort of traffic accident of the heart. It is an emotion that scares us more than cruelty, more than violence, more than hatred. We allow ourselves to be foiled by the vagueness of the word. After all, love requires the utmost vulnerability. We equip someone with freshly sharpened knives; strip naked; then invite him to stand close. What could be scarier?

habit, a particularly insidious thug who chokes passion and smothers love. Habit puts us on autopilot.

The idea of safety had shrunk into particles - one snug moment, then the next. Meanwhile, the brain piped fugues of worry and staged mind-theaters full of tragedies and triumphs, because unfortunately, the fear of death does wonders to focus the mind, inspire creativity, and heightens the senses. Trusting one's hunches only seems gamble if one has time for seem; otherwise the brain goes on autopilot and trades the elite craft of analysis for the best rapid insights that float up from its danger files and ancient bag of tricks.