Happily common sense, though she is by nature the gentlest creature living, when she feels the knife at her throat, is apt to develop unexpected powe… - Samuel Butler

But so engrained in the human heart is the desire to believe that some people really do know what they say they know, and can thus save them from the trouble of thinking for themselves, that in a short time would-be philosophers and faddists became more powerful than ever, and gradually led their countrymen to accept all those absurd views of life.

I could hardly avoid a sort of suspicion that some of those whom I was taken to see had been so long engrossed in their own study of hypothetics that they had become the exact antitheses of the Athenians in the days of St. Paul; for whereas the Athenians spent their lives in nothing save to see and to hear some new thing, there were some here who seemed to devote themselves to the avoidance of every opinion with which they were not perfectly familiar, and regarded their own brains as a sort of sanctuary, to which if an opinion had once resorted, none other was to attack it.

The public buys its opinions as it buys its meat, or takes in its milk, on the principle that it is cheaper to do this than to keep a cow. So it is, but the milk is more likely to be watered.