No one really knows enough to be a pessimist.

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

It is reasonable to expect the doctor to recognize that science may not have all the answers to problems of health and healing.

The life-force may be the least understood force on earth.

To talk about the need for perfection in man is to talk about the need for another species. The essence of man is imperfection. Imperfection and blazing contradictions-between mixed good and evil, altruism and selfishness, cooperativeness and combativeness, optimism and fatalism, affirmation and negation.

It is well known that panic, despair, depression, hate, rage, exasperation, frustration all produce negative biochemical changes in the body.

History is a vast early warning system.