Silence must be comprehended as not solely the absence of sound. It is the natural environment for serenity and contemplation. Life without silence is life without privacy. The difference between sanity and madness is the quality of our thoughts. Silence is on the side of sanity.

Respect for the fragility and importance of an individual life is still the mark of an educated man.

Why are people more appalled at what they term an unnatural form of dying than by an unnatural form of living?

Although a man may have no jurisdiction over the fact of his existence, he can hold supreme command over the meaning of existence for him.

Of all the gifts bestowed by nature on human beings, hearty laughter must be close to the top.

To be able to rise from the earth; to be able, from a station in outer space, to see the relationship of the planet earth to other planets; to be able to contemplate the billions of factors in precise and beautiful combination that make human existence possible; to be able to dwell on an encounter of the human brain and spirit with the universe

What people most need now is to apply their conversion skills to those things that are essential for their survival. They need to convert facts into logic, free will into purpose, conscience into decision. They need to convert historical experience into a design for a sane world.