The environmental crisis is fundamentally a spiritual crisis.

We find ourselves ethically destitute just when, for the first time, we are faced with ultimacy, the irreversible closing down of the earth's functioning in its major life systems. Our ethical traditions know how to deal with suicide, homicide and even genocide, but these traditions collapse entirely when confronted with biocide, the killing of the life systems of the earth, and geocide, the devastation of the earth itself.

Vegetarianism is a way of life that we should all move toward for economic survival, physical well-being and spiritual integrity.

What is clear is that the earth is mandating that the human community assume a responsibility never assigned to any previous generation...Our task at this critical moment is to awaken the energies needed to create the new world and to evoke a universal communion of all parts of life.

There is a spiritual capacity in carbon as there is a carbon component functioning in our highest spiritual experience. If some scientists consider that all this is merely a material process, then what they call matter, I call mind, soul, spirit, or consciousness. Possibly it is a question of terminology, since scientists too on occasion use terms that express awe and mystery. Most often, perhaps, they use the expression that some of the natural forms they encounter seem to be "telling them something."

The success or failure of any historical age is the extent to which those living at that time have fulfilled the special role that history has imposed upon them.

The universe is the primary revelation of the divine, the primary scripture, the primary locus of divine-human communication.