If you were disabled in Russia, you had to re-register every year, and it took up to six months to re-register, so people who lost limbs in Afghanistan had to prove that their leg hadn't grown back.

Lots of people in the open system are very determined to try and strengthen evidence-based policy.

When we do work in places like China and Vietnam, research tends to be really effective as a way of getting change, whereas in more open places, mobilization and the creation of public pressure through the media often seem to be the things we try.

We should look at how "the enemy" - people that you wouldn't necessarily agree with - have done change and see whether there's bits in there that we could learn from.

The magic formula is there is no magic formula.

There are always pressures on decision-makers other than just what is right or what is wrong.

People are saying, "I have a right to my opinion. Don't just keep condescending, telling me what to think." There's something slightly liberating about that, but also it lends itself to being taken advantage of, because in come the demagogues.