The best aid to give is intellectual aid, a gift of useful knowledge. A gift of knowledge is infinitely preferable to a gift of material things.

Modern economic thinking...is peculiarly unable to consider the long term and to appreciate man's dependence on the natural world.

We still have to learn how to live peacefully, not only with our fellow men but also with nature.

I cannot predict the wind but I can have my sail ready.

The best aid to give is intellectual aid, a gift of useful knowledge. A gift of knowledge is infinitely preferable to a gift of material things.

An attitude to life which seeks fulfillment in the single-minded pursuit of wealth - in short, materialism - does not fit into this world, because it contains within itself no limiting principle, while the environment in which it is placed is strictly limited.

There are poor societies which have too little; but where is the rich society that says: 'Halt! We have enough'? There is none.