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.

For the longest time I didn't realize I was creative - I just thought I was strange.

Happiness doesn't require laughter, only well-being and a sense that the world is breaking someone else's heart, not mine.

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

Much of life becomes background, but it is the province of art to throw buckets of light into the shadows and make life new again.

Look at your feet. You are standing in the sky. When we think of the sky, we tend to look up, but the sky actually begins at the earth.

Artificial intelligence is growing up fast, as are robots whose facial expressions can elicit empathy and make your mirror neurons quiver.