Stellen wir uns als unbestreitbaren Grundsatz auf, dass die ersten natürlichen Triebe stets gut sind; es gibt im menschlichen Herzen keine angeborene… - Jean-Jacques Rousseau

He aquí cómo el lujo, la disolución y la esclavitud han sido en todo tiempo el castigo a los esfuerzos orgullosos que hemos hecho para salir de la feliz ignorancia donde nos había situado la sabiduría eterna.

I know that [civilized men] do nothing but boast incessantly of the peace and repose they enjoy in their chains.... But when I see [barbarous man] sacrifice pleasures, repose, wealth, power, and life itself for the preservation of this sole good which is so disdained by those who have lost it; when I see animals born free and despising captivity break their heads against the bars of their prison; when I see multitudes of entirely naked savages scorn European voluptuousness and endure hunger, fire, the sword, and death to preserve only their independence, I feel it does not behoove slaves to reason about freedom.

It must be classed among those phenomena of a hypnotic order, which we shall shortly study. In a crowd every sentiment and act is contagious, and contagious to such a degree that an individual readily sacrifices his personal interest to the collective interest.