The wrongfulness, the immorality of eating animal food has been recognized by all mankind during all the conscious life of humanity. Why, then have people generally not come to acknowledge this law? The answer is that the moral progress of humanity is always slow; but that the sign of true, not casual Progress, is in uninterruptedness and its continual acceleration. And one cannot doubt that vegetarianism has been progressing in this manner
Leo TolstoyEither you are so underdeveloped that you can't see all that you can do, or you won't sacrifice your ease, your vanity, or whatever it is, to do it.
Leo TolstoyMan must not check his reason by tradition, but, contrariwise, must check tradition by reason.
Leo Tolstoy