The last paragraph of chapter XXI of George Eliot’s Middlemarch.
We are all of us born in moral stupidity, taking the world as an udder to feed our supreme selves: Dorothea had early begun to emerge from that stupidity, but yet it had been easier to her to imagine how she would devote herself to Mr. Casaubon, and become wise and strong in his strength and wisdom, than to conceive with that distinctness which is no longer reflection but feeling—an idea wrought back to the directness of sense, like the solidity of objects—that he had an equivalent centre of self, whence the lights and shadows must always fall with a certain difference.
Morality requires educated feeling. It’s never a finished product. We never get good enough at understanding other people’s equivalent centre of self. Reason and logic by themselves are hopeless at the task.