If he be really and seriously seeking to live a good life, the first thing from which he will abstain will always be the use of animal food, because ...its use is simply immoral, as it involves the performance of an act which is contrary to the moral feeling - killing.
Leo TolstoyLove. The reason I dislike that word is that it means too much for me, far more than you can understand." - Anna Karenina {Anna Karenina}
Leo TolstoyReligions are the exponents of the highest comprehension of life... within a given age in a given society... a basis for evaluating human sentiments. If feelings bring people nearer to the religion's ideal... they are good; if these estrange them from it, and oppose it, they are bad.
Leo TolstoyAt school he had done things which had formerly seemed to him very horrid and made him feel disgusted with himself when he did them; but when later on he saw that such actions were done by people of good position and that they did not regard them as wrong, he was able not exactly to regard them as right, but to forget about them entirely or not be at all troubled at remembering them.
Leo Tolstoy