“I urge myself that never was any cause which had been taken up by man in any country or in any age, so great and important; never was there one, in which some much good could be done; never one in which the duty of Christian charity could be so extensively exercised; never one, more worthy of the devotion of a whole life towards it; and that, if a man thought properly, he ought to rejoice to had been called in existence, if he were only permitted to become an instrument in forwarding it in any part of its progress.”
Thomas Clarkson, leading abolitionist against the slave trade in the British Empire, 1760-1846
there must be more 