Aggressiveness is not the main trouble with the human species, but rather an excess capacity for fanatical devotion.
Arthur KoestlerThe most persistent sound which reverberates through man's history is the beating of war drums.
Arthur KoestlerThe life we led was a proof of man's capacity for adaptation.I think that even the condemned souls in purgatory after time develop a sort of homely routine.That is ,by the way, why most prison memoirs are unreadable.The difficulty of conveying to the reader an idea of a nightmare world from which he has emerged makes the author depict the prisoner's state of mind as an uninterruped continuity of despair.He fears to appear frivolous or to spoil his effect by admitting that even in the depths of misery cheerfulness keeps breaking in.
Arthur KoestlerIn the index to the six hundred odd pages of Arnold Toynbee's A Study of History, abridged version, the names of Copernicus, Galileo, Descartes and Newton do not occur yet their cosmic quest destroyed the medieval vision of an immutable social order in a walled-in universe and transformed the European landscape, society, culture, habits and general outlook, as thoroughly as if a new species had arisen on this planet.
Arthur Koestler