We have these floods of ideas when we allow ourselves to slow down – you get this pent-up energy that flows out of you.

We go to war not because we ignore the costs, but because we know there are costs, but we are willing to pay those costs because we get something from the war which we wouldn't get otherwise.

Four days before she died, she challenged my daughter and I to try and find a pocketful of happiness in each day, which has become the mantra by which we navigate the abyss of grief, following her death. I don't think you ever get over grief, you just have to find a way to accommodate and travel around it.

Don't aspire to be an entrepreneur. Aspire to create something that solves a problem. My message to young people with an idea is build a prototype and test it. Test it again and again, making the changes, learning from failure.

We need to change our hearts and minds, not just our behaviours. Forget even the moral argument, discriminating is such a waste. It is from our diverse cultures and communities that we could find the cure for cancer, where we could find all of the solutions for some of our most pressing problems.