My experience of malaria was just taking anti-malarials, which give you strange dreams, because I don't want to get malaria.
If I was down to the last dollar of my marketing budget I'd spend it on PR!
When I was in my 40s, Microsoft was my primary activity.
Think of business as a good game. Lots of competition and a minimum of rules. You keep score with money.
You need to understand things in order to invent beyond them.
Even when things are stable, that's not easy [to work in Africa] because there are not roads, and the weather is tough, the education system hasn't been there. But this is how you get great countries, is step by step.