Families want their child to get an education; families want safe access to healthcare; families want a roof over their head. When we silo issues, we end up with solutions that are in conflict with each other.

Treat the world like a failed state, then you can understand the players needed to fix it.

Success will only happen with Afghans leading the charge, and it is far, far more important for Kabul to create and support a purpose-driven school of architecture than to invite a high profile designer to build.

When sustainability is viewed as being a matter of survival for your business, I believe you can create massive change.

A career is a job you love, right? That's what a career should be. If you're in a job that you hate, you should quit. That's the way I look at it. I'm in a job that I love so I'm going to make it my career.

When your focus is social change and not financial change why wouldn't you want to share that openly? Innovation only succeeds when it's shared. If you're a pioneer and you come up with something that can change the world and you turn round and say 'I'm not going to share this idea with anyone' then you only impact the few and not the many.

Ego gets you inches but it doesn't get you impact.