It's really important to find an hour or two to a day to make sure that you keep healthy, keep fit. It's very easy just to forget that aspect. And if you're feeling really good and fit, I think you can get two or three extra hours a day of hard work in as well.

Our generation has inherited an incredibly beautiful world from our parents and they from their parents. It is in our hands whether our children and their children inherit the same world. We must not be the generation responsible for irreversibly damaging the environment.

I believe in myself. I believe in the hands that work, in the brains that think, and in the hearts that love.

I will work day and night to avoid failure, but if I can't, I'll pick myself up the next day. The most important thing for entrepreneurs is not to be put off by failure.

The key is to set realistic customer expectations, and then not to just meet them, but to exceed them - preferably in unexpected and helpful ways.

We should focus on what people get done, not on how many hours or days worked. Just as we don't have a nine-to-five policy, we don't need a vacation policy.

Unless you dream, you're not going to achieve anything.