Make the wrong choices now and future generations will live with a changed climate, depleted resources and without the green space and biodiversity that contribute both to our standard of living and our quality of life

My view always is that we should learn the lessons, both of the last sort of 50 years of policy-making and it is possible to get to a foreign policy that is engaged and active without going back to where we were in the post-9/11 world.

The Donald Trump phenomenon in the U.S. is mirrored completely by the Brexit phenomenon in the U.K. It's very similar forces. And what is interesting to me is there are two different groups that come together, who don't really agree with each other, but have come together in unity against, if you like, what is perceived as the status quo, or - and certainly what is a more center-right or center-left type of politics.

My office is on Twitter. I don't tweet myself - at least, not intentionally, but I probably should do.

Mine is the first generation able to contemplate the possibility that we may live our entire lives without going to war or sending our children to war.

People always think American politics is very different, but usually it is a predictor of what happens in the politics elsewhere.

The best philanthropy is not just about giving money but giving leadership. The best philanthropists bring the gifts that made them successful-the drive, the determination, the refusal to accept that something can't be done if it needs to be into their philanthropy.