A millennium before Europeans were willing to divest themselves of the Biblical idea that the world was a few thousand years old, the Mayans were thinking of millions and the Hindus billions.

Writing is perhaps the greatest of human inventions, binding together people who never knew each other, citizens of distant epochs. Books break the shackles of time. A book is proof that humans are capable of magic.

In our time, we have sifted the sands of Mars, we have established a presence there, we have fulfilled a century of dreams!

The illegality of cannabis is outrageous, an impediment to full utilization of a drug which helps produce the serenity and insight, sensitivity and fellowship so desperately needed in this increasingly mad and dangerous world.

First rule in government spending: why build one when you can have two at twice the price?

We live at a moment when our relationships to each other, and to all other beings with whom we share this planet, are up for grabs.

Imagination will often carry us to worlds that never were. But without it we go nowhere.