Richard Feynman, at the Galileo Symposium in 1964:

"I believe, therefore, that although it is not the case today, that there may some day come a time, I should hope, when it will be fully appreciated that the power of government should be limited; that governments ought not to be empowered to decde the validity of scientific theories, that that is a ridiculous thing for them to try to do; that they are not to decide the various descriptions of history or of economic theory or of philosophy. Only in this way can the real possibilities of the future human race be ultimately developed."

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A little background on my tagline (see this article):

Gil Hoffman reports in the Jerusalem Post (Dec. 4), “In a campaign that has spread like wildfire across the Internet, a group of Israeli environmentalists is encouraging Jews around the world to light at least one less candle this Hanukka to help the environment. The founders of the Green Hanukkia campaign found that every candle that burns completely produces 15 grams of carbon dioxide. If an estimated one million Israeli households light for eight days, they said, it would do significant damage to the atmosphere.”

Liad Ortar, the campaign’s cofounder, told the Post, “Global warming is a milestone in human evolution that requires us to rethink how we live our lives, and one of the main paradigms of that is religion and how it fits into the current situation.”

Rabbi Benny Lau of Jerusalem’s Ramban Congregation, who considers himself an environmental activist, told the Post, “People in the green movement who have an agenda have unfortunately made it anti-religious.... The damage ends up being a thousand times the benefit.”

So, with apologies to the good rabbi:

"Liberalism: The damage ends up being a thousand times the benefit!"