"I can be much more sarcastic and, I think, sometimes withering in my assessments of things than I allow to show in my public life."

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As for geoengineering, there have been serious general critiques that I think cannot be ignored, like Clive Hamilton's, along with many positive assessments. It is not a matter for subjective judgment based on guesswork and intuition. Rather, these are matters that have to be considered seriously, relying on the best scientific understanding available, without abandoning sensible precautionary principles.

— Noam Chomsky