Whenever there is hard work to be done, I assign it to the laziest man as he is sure to find an easy way of doing it. Be lazy, think crazy.

I'm serious when I do my work. I'm not serious when I'm home with my kids.

I have seen firsthand that agricultural science has enormous potential to increase the yields of small farmers and lift them out of hunger and poverty.

I think Ebola is a great example of where the world really needs to come together. The three countries where this outbreak took place have had a lot of civil war, very weak health systems. And so, it did take a while for people to understand ....that eventually what we saw was a very unique Ebola epidemic. I think it is quite impressive what's being pulled together, and I think we will be able to get this under control.

The key thing you can do to reduce population growth is actually improve health.

The idea of explaining why free trade is good, why immigration is good, why the world is so connected, that we need to think in terms of humanity and being generous to each other, you know, that's proving to be a challenge.

Our teachers deserve better feedback.