Science is the search for truth.

The only sane policy for the world is that of abolishing war.

No evidence compels the conclusion that the minimum required intake of any vitamin comes close to the optimum intake that sustains good health.

If you want to have good ideas you must have many ideas. Most of them will be wrong, and what you have to learn is which ones to throw away.

During the time that [Karl] Landsteiner gave me an education in the field of imununology, I discovered that he and I were thinking about the serologic problem in very different ways. He would ask, What do these experiments force us to believe about the nature of the world? I would ask, What is the most. simple and general picture of the world that we can formulate that is not ruled by these experiments? I realized that medical and biological investigators were not attacking their problems the same way that theoretical physicists do, the way I had been in the habit of doing.

If you take a reasonable amount of vitamin C regularly, the incidence of the common cold goes down. If you get a cold and start immediately, as soon as you start sneezing and sniffling, the cold just doesn't get going.

..The truly fraudulent claims must be discarded. But novel methods of therapy should not be rejected because they are novel, or because they run counter to some generally accepted belief ("which may just be biased"), or because we do not understand the mechanism of the proposed treatment, or because it has come from an unconventional source.