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.

When Kepler found his long-cherished belief did not agree with the most precise observation, he accepted the uncomfortable fact. He preferred the hard truth to his dearest illusions, that is the heart of science.

For years I've been stressing with regard to UFOs that extraordinary claims require extraordinary evidence.

Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.

There are lots of ways to communicate what we know, but few ways to communicate what we feel. Music is one way to communicate emotions.

I don't know the answer. Maybe no one knows. Maybe when you grow up, you'll be the first to find out.

The Cosmos is all that is or was or ever will be. Our feeblest contemplations of the Cosmos stir us -- there is a tingling in the spine, a catch in the voice, a faint sensation, as if a distant memory, of falling from a height. We know we are approaching the greatest of mysteries.