Time spent with children is time well spent. Their little minds are not constrained by 'reality' or focused upon goals. Anything and everything is possible. Imagination will often carry us to worlds that never were. But without it we go nowhere.

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.

You could just as well say that an agnostic is a deeply religious person with at least a rudimentary knowledge of human fallibility.

A galaxy is composed of gas and dust and stars - billions upon billions of stars. Every star may be a sun to someone.

History is full of people who out of fear, or ignorance, or lust for power has destroyed knowledge of immeasurable value which truly belongs to us all. We must not let it happen again.

Better the hard truth, I say, than the comforting fantasy. And in the final tolling it often turns out that the facts are more comforting than the fantasy.

Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.