We need to continue to decrease the growth rate of the global population; the planet can't support many more people.

India has the opportunity to be a leader in genetic engineering, It has institutions that no other country has.

We wouldn't think of going to our doctor and saying 'Treat me the way doctors treated people in the 19th Century', and yet that's what we're demanding in food production.

If there are more and more environmental refugees, they are going to end up on your doorstep too.

We have six-and-a-half-billion people on the planet, going rapidly towards seven. We're going to need a lot of inventiveness about how we use water and grow crops.

There are probably already too many people on the planet.

If everybody switched to organic farming, we couldn't support the earth's current population - maybe half.

Weeds do become resistant to herbicides, and it needs to be managed with multiple herbicides.

The influence of a science adviser is only as good as ears open to that science advice.

Civilization depends on our expanding ability to produce food efficiently, which has markedly accelerated thanks to science and technology.

For me science is not different from art, except in the one small, crucial detail that experiments speak their own truths, not ours.

Wisdom is knowing when you have enough.

Extremes should be avoided.

Ultimately evil is done not so much by evil people, but by good people who do not know themselves and who do not probe deeply.

Nature when she invented manufactured and patented her authors contrived to make critics out of the chips that were left.

May be you find out I could be useful getting people out of camps and prisons in Germany - just before they got shot. I should love to do it and I like to jump out of a plane even every day.

In your life there are a few places, or maybe only the one place, where something happened, and then there are all the other places.

...life change comes when we receive life with thanks and ask for nothing to change.

but paper and ink have conjuring abilities of their own. arrangements of lines and shapes, of letters and words on a series of pages make a world we can dwell and travel in.

To become the enemy, see yourself as the enemy of the enemy

Islam is not a race, yet Islamophobia partakes of racist characteristics.