Abolitionist Thomas Clarkson, one of my heroes, penned these words in 1819 as he pondered the vice of slavery and the opportunity for his Christian family to stand up for the righteous cause of ending the practice.
This is such a 21st century banner for us:
"It has furnished us also with important lessons. It has proved what a creature man is! How devoted he is to his own interest! To what length of atrocity he can go, unless fortified by religious principle! But as if this part of the prospect would be too afflicting, it has proved to us, on the other hand, what a glorious instrument he may become in the hands of his Maker: and that a little virtue, when properly leavened, is made capable of counteracting the effects of a mass of vice!"