Man has been kept half nourished as far as the body is concerned, because a half nourished man cannot revolt. His sole concern is at least one meal a day -- and that meal is not scientifically nourishing: just to fill the empty stomach is not to have a nourishing meal. You need certain amounts of vitamins, you need certain amounts of minerals, you need certain amounts of chemicals. Nobody seems to be awake, but an undernourished body is weak, in the state of a beggar -- and beggars don't revolt.
A retarded mind cannot even think that the world can progress, that there can be some evolution possible. The retarded mind has been told by all the religions: Be contented as you are. This contentment is not the real contentment; this contentment is to repress any rebellious situation, to protect the rich and to let the poor die. Be contented....
-Rajneesh