I do not want to go into its physical reasons: the construction of the human body is different from that of carnivorous animals. But man's intelligence is such that it can be utilised to defend any-thing he does, whether right or wrong.
For those who believe in God the matter is simpler still and clearly than anything else: because those who believe in God believe that God is the Creator of the whole Universe and there is nothing that does not come from Him.
From this it follows that con-sideration for other persons or for other living beings is very vital for goodness and want of consideration for other people makes human beings selfish, regardless for other people's good.
I do not say that one who is vegetarian is full of compassion and one who is not, is otherwise. We sometimes find people, who are vegetarians, are very bad people.
It is, therefore, a fact that anybody who wants to realise Truth or who wants to be humane, must follow non-violent ways of life, otherwise he will not be able to reach the Truth.
One has got to choose between the two evils, also between the lesser of the two evils in the matter of food, and therefore vegetarian food has got to he taken by man in order to sustain human life.
In the early ages, I believe not much thought was given to what man is and what his real functions should be, and what is the real purpose of his life.