We have fought long and hard to escape from medieval superstition. I, for one, do not wish to go back.

Blind belief can be comforting, but it can easily cripple reason and productivity, and stop intellectual progress.

I do not expect that homeopathy will ever be established as a legitimate form of treatment, but I do expect that it will continue to be popular.

I questioned her further, and eventually got to talk to her doctor. And her doctor sort of shook his head and he said, I have examined her for throat cancer at least 15 times in the past few years.

Science is best defined as a careful, disciplined, logical search for knowledge about any and all aspects of the universe, obtained by examination of the best available evidence and always subject to correction and improvement upon discovery of better evidence. What's left is magic. And it doesn't work.

Those who believe without reason cannot be convinced by reason.

I believe in the basic goodness of my species, because that appears to be a positive tactic and quality that leads to better chances of survival- and in spite of our foolishness, we seem to have survived.