Aung San Suu Kyi

My attitude to peace is rather based on the Burmese definition of peace - it really means removing all the negative factors that destroy peace in this world. So peace does not mean just putting an end to violence or to war, but to all other factors that threaten peace, such as discrimination, such as inequality, poverty.

What do cells do when they see a broken piece of DNA? Cells don't like such breaks. They'll do pretty much anything they can to fix things up. If a chromosome is broken, the cells will repair the break using an intact chromosome.

And I think that still is true of this business - which is basically research and development - that you probably spend more time in planning and training and designing for things to go wrong, and how you cope with them, than you do for things to go right.