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

Cynicism is intellectual treason.

What was significant about the laughter . . . was not just the fact that it provides internal exercise for a person . . . form of jogging for the innards, but that it creates a mood in which the other positive emotions can be put to work, too.

We are becoming a nation of sissies and hypochondriacs, a self medicating society easily intimidated by pain and prone to panic. We understand almost nothing about the essential robustness of the human body or its ability to meet the challenge of illness.

The one thing I have learned about editing over the years is that you have to edit and publish out of your own tastes, enthusiasms, and concerns, and not out of notions or guesswork about what other people might like to read.

The message from the moon which we have flashed to the far corners of this planet is that no problem need any longer be considered insoluble.

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