I hate making TV documentaries.

The future is about a plant-based diet.

I think there are definitely two types of student: the academic kids and the 50% who fail. It's very clear to see - it's fact. We're not doing enough for those who fail; they need a more physical, tactile approach, involving people skills, team-building, problem-solving, building things.

When you are trying to move mountains you want-and need-people on your side who want to move them with you.

I like ties but I prefer not to wear one when I'm nervous.

God, why do I give interviews to 'the Guardian'? They always try to dissect you, and I don't really think about stuff in the way that you're asking me these questions.

Just because the Americans are so good at rattling out accessible and cheap junk food, nobody looks twice when it comes to their food. But there are golden nuggets everywhere.