Dario Salas Sommer. The morality of the 21st century (№ 462962)

The most striking fact observed in the psychology of a crowd is this: whatever the individuals who compose it, whatever their way of life, their occupations, their character or mind, their mere transformation into a crowd is enough for them to develop something like a collective soul that makes them feel, think and act completely differently than each of these people individually would think, act and feel.