“My doctrine is this, that if we see
cruelty or wrong that we have the
power to stop, and do nothing, we
make ourselves sharers in the guilt.”
Source: Black Beauty (1877), Ch. XXXVIII, p. 192
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Anna Sewell 21
English novelist 1820–1878Related quotes

Sādhanā : The Realisation of Life http://www.spiritualbee.com/spiritual-book-by-tagore/ (1916)
Context: Of course man is useful to man, because his body is a marvellous machine and his mind an organ of wonderful efficiency. But he is a spirit as well, and this spirit is truly known only by love. When we define a man by the market value of the service we can expect of him, we know him imperfectly. With this limited knowledge of him it becomes easy for us to be unjust to him and to entertain feelings of triumphant self-congratulation when, on account of some cruel advantage on our side, we can get out of him much more than we have paid for. But when we know him as a spirit we know him as our own. We at once feel that cruelty to him is cruelty to ourselves, to make him small is stealing from our own humanity...
Diet for a New America, 1991 documentary film ( visible https://archive.org/details/DietForANewAmerica at Internet Archive)
“This is what we do, my mother's life said. We find ourselves in the sacrifices we make.”
Source: Neighborhood Watch

Notes Toward a Supreme Fiction (1942), It Must Give Pleasure

Paraphrased variant: We do not need magic to change the world, we carry all the power we need inside ourselves already: we have the power to imagine better.
Harvard address (2008)

Jeremy Corbyn risks scuppering no-confidence vote, says Jo Swinson https://www.bbc.co.uk/news/uk-politics-49468218 BBC News (26 August 2019)
Post premiership