Some say that AIDS came from the monkeys, and I doubt that because we have been living with monkeys from time immemorial, others say it was a curse from God, but I say it cannot be that.

There is no reason why a company like Monsanto, for example, that is pushing GMOs, cannot go to Kenya, partner with the university, partner with the research institutions, and try to promote - in a responsible way - advanced techniques to help farmers. But this should be done in such a way that the farmers' livelihoods are not undermined because the government is irresponsible or careless, or because it is compromised.

I don't really know why I care so much. I just have something inside me that tells me that there is a problem, and I have got to do something about it. I think that is what I would call the God in me.

Having studied biology really helped me a lot because I quickly understand how biological systems work, and how they fail, and the tragedy of when they fail, because we are dealing with life systems, and when we hear that a species has become extinct, or is threatened, you realize that this could mean that this species will disappear from the face of the earth forever! So that understanding really gives you energy to do something to save it.

Anybody can dig a hole and plant a tree. But make sure it survives. You have to nurture it, you have to water it, you have to keep at it until it becomes rooted so it can take care or itself. There are so many enemies of trees.

For us who are now in power, we need to be challenged to serve the people and ignore our own egos and personal interests so that we can really demonstrate to other African states that it is possible to share power without going to war.

And so I'm saying that, yes, colonialism was terrible, and I describe it as a legacy of wars, but we ought to be moving away from that by now.