You can't build a peaceful world on empty stomachs and human misery.

We are 6.6 billion people now. We can only feed 4 billion. I don't see 2 billion volunteers to disappear.

Plant diseases, drought, desolation, despair were recurrent catastrophes during the ages - and the ancient remedies: supplications to supernatural spirits or gods.

To this day, I enjoy nature, the luxury of undisturbed wilderness, forests, mountains, lakes, rivers and deserts and their wildlife. But I also know that the greatest danger to their perpetuity is the pressure of human population.

There are no miracles in agricultural production.

Contrasting sharply, in the developing countries represented by India, Pakistan, and most of the countries in Asia and Africa, seventy to eighty percent of the population is engaged in agriculture, mostly at the subsistence level.

Cereal production in the rain-fed areas still remains relatively unaffected by the impact of the green revolution, but significant change and progress are now becoming evident in several countries