The Earth is a place. It is by no means the only place. It is not even a typical place.

Human history can be viewed as a slowly dawning awareness that we are members of a larger group.

We are the children equally of the Sky and the Earth.

And after we returned to the savannahs and abandoned the trees, did we long for those great graceful leaps and ecstatic moments of weightlessness in the shafts of sunlight of the forest roof?

The cosmos is full beyond measure of elegant truths; of exquisite interrelationships; of the awesome machinery of nature.

Sailors on a becalmed sea, we sense the stirring of a breeze.

In exchange for freedom of inquiry, scientists are obliged to explain their work.