What is this successful life? I have got so many students. They are well-qualified. When they work, they have to work so hard, they go at six o’clock to the working and comes again at six o’clock, all day, tired. They lost all vitality, all sense. Is that successful life, simply for one morsel of food, working so hard? And unless one works so hard, he cannot eat. We have created a civilization that one must earn thousands of dollars, then he can live like a gentleman. Is that successful life? And for earning that thousands of dollars he has to work so hard, just like animal, beast. No. That is not successful life. Successful life is that, that we should make our bodily necessities of life as far as required, not more than that. I want to eat something. God has given sufficient food. You grow. You live anywhere. You grow foodstuff. You grow grains. You grow fruits. You grow vegetables. Keep cows. Take milk.

(Srila Prabhupada, lecture, Mar 23, 1969)