The mutual-aid tendency in man has so remote an origin, and is so deeply interwoven with all the past evolution of the human race, that is has been maintained by mankind up to the present time, notwithstanding all vicissitudes of history.
Peter KropotkinSociability is as much a law of nature as mutual struggle. Mutual aid is as much a law of animal life as mutual struggle.
Peter KropotkinMy brother could not write about trifles. Even in society he became animated only when some serious discussion was engaged in, and he complained of feeling 'a dull pain in the brain'--a physical pain, as he used to say--when he was with people who cared only for small talk.
Peter Kropotkin