"To the American people of 1789, their nation promised a new way of life: each individual a free man; each having the right to seek his own happiness; a republican form of government in which the people would be sovereign; and no arbitrary power over people's lives. Less than two hundred years later, almost every aspect of the dream has been lost."

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The claim is also sometimes made that science is as arbitrary or irrational as all other claims to knowledge, or that reason itself is an illusion. As Ethan Allen said Those who invalidate reason ought seriously to consider whether they argue against reason with or without reason; if with reason, then they establish the principle that they are labouring to dethrone. If they argue without reason, which they must do, in order to be consistent with themselves, they are out of reach of rational conviction, nor do they deserve a rational argument.

— Carl Sagan