Analysis of information sources in references of the Wikipedia article "Tolstoísmo" in Portuguese language version.
... if [a man] 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. Preface to the Russian translation of Howard William's The Ethics of Diet
