"There is nothing so absurd or ridiculous that has not at some time been said by some philosopher. Fontenelle says he would undertake to persuade the whole public of readers to believe that the sun was neither the cause of light or heat, if he could only get six philosophers on his side."

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The idealist's program of political or economic reform may be impracticable, absurd, demonstrably ridiculous; but it can never be successfully opposed merely by pointing out that this is the case. A negative opposition cannot be wholly effectual: there must be a competing idealism; something must be offered that is not only less objectionable but more desirable.

— Charles Horton Cooley