Very little of the great cruelty shown by men can really be attributed to cruel instinct. Most of it comes from thoughtlessness or inherited habit. Extract from 'Memories of childhood and youth.'
Albert SchweitzerUntil he extends his circle of compassion to include all living things, man will not himself find peace.
Albert SchweitzerOpen your eyes and look for some man, or some work for the sake of men, which needs a little time, a little friendship, a little sympathy, a little sociability, a little human toil....It is needed in every nook and corner. Therefore search and see if there is not some place where you may invest your humanity.
Albert SchweitzerToday it is considered as exaggeration to proclaim constant respect for every form of life as being the serious demand of a rational ethic. But the time is coming when people will be amazed that the human race existed so long before it recognized that thoughtless injury to life is incompatible with real ethics. Ethics is in its unqualified form extended responsibility to everything that has life.
Albert Schweitzer