Martin McGuinness

I lost a lot of friends at the hands of the British Army. The person who actually introduced me to my wife, Colm Keenan, was murdered by the British Army. He was a member of the IRA, but he was unarmed.

Obviously, Ian Paisley and I were regarded as very bitter opponents. When we decided in March 2007 to govern together, both of us understood that we weren't going to change our views but that we had to work with one another if we were to end the conflict and move forward.

My venture investing career has three phases, all roughly 6-8 years long. The first, at Euclid, was software to Internet. The second, at Flatiron, was Internet to bubble. And the third, at USV, has been web 2 to mobile. I have always used a new firm to denote a new investment phase for me. Throw away the old. Start with the new.

When I have a creative insight, there is a high. I think back in the day, I made music as much as I did because it made me feel so good. I think you could argue that there is a creative addiction - but, you know, the healthy kind.

If a man made himself an expert in any particular branch of human activity, there would result the strong tendency that a peculiar aptitude towards the same branch would be found among some of his descendants.