A large number of us have developed a feeling that architects tend to design houses for the approval of fellow architects and critics, not for the tenants.

If you think about the impact of climate change, [it should be how] a doctor would deal with the problem. A scientific hypothesis is tested to absolute destruction, but medicine can't wait. If a doctor sees a child with a fever, he can't wait for [endless] tests. He has to act on what is there. The risk of delay is so enormous that we can't wait until we are absolutely sure the patient is dying.

There is very good evidence indeed that one of the major reasons for this horror in Syria was a drought that lasted for about five or six years, which meant that huge numbers of people in the end had to leave the land.

Personally, I have been very impressed by the slow food movement. It is about celebrating the culture of food, of sharing the extraordinary knowledge, developed over millennia, of the traditions involved with quality food production, of the sheer joy and pleasure of consuming food together. Especially within the context of family life, this has to be one of the highest forms of cultural activity.

It is vitally important that we can continue to say, with absolute conviction, that organic farming delivers the highest quality, best-tasting food, produced without artificial chemicals or genetic modification, and with respect for animal welfare and the environment, while helping to maintain the landscape and rural communities.

You have to give this much to the Luftwaffe: when it knocked down our buildings it did not replace them with anything more offensive than rubble. We did that.

. . . a jostling scrum of office buildings so mediocre that the only way you ever remember them is by the frustration they induce - like a basketball team standing shoulder to shoulder between you and the Mona Lisa.