The human spirit must prevail over technology.

Politics is more difficult than physics.

But nature did not deem it her business to make the discovery of her laws easy for us.

The true value of a human being can be found in the degree to which he has attained liberation from the self.

Compassionate people are geniuses in the art of living, more necessary to the dignity, security, and joy of humanity than the discoverers of knowledge.

The indifference, callousness and contempt that so many people exhibit toward animals is evil first because it results in great suffering in animals, and second because it results in an incalculably great impoverishment of the human spirit.

I no longer believed in the known God of the Bible, but rather in the mysterious God expressed in nature.