The idea of dialogue is overrated- sometimes you have to fight. There are certain issues we mustn't depoliticise, sometimes we must fight, and sometimes that fight is physical… that's just reality. As for 'building bridges' with fascists, sometimes there are no bridges, you cannot befriend someone who is trying to kill you.

From about 2000, Africa has come into an economic renaissance: Between 2000 and 2008, we saw a marked improvement in macro-economic stability, with inflation falling and interest rates hitting single digits even in areas like Nigeria. We have seen robust GDP growth, 17% in Angola and 5.5% in Ghana and Nigeria in 2008 for example, combined with increases in FDI, which was up 25% year on year between 2000 and 2005.

From day one, we said that we wanted to create value, create impact, and create inspiration. We're not going to build a business that just creates impact—we're not a nonprofit. We're not going to just create a company that inspires the next generation. We have to create value.

If morality is the science of the good, ethics is the study of that science, and bioethics is the study of that science as it relates to biosphere.

When I got better, even simple things like being able to wake-up, go for a walk, speak, and observe life, felt viscerally stunning and good. I found a state of being – a state that gave me perspective and feeling about life and my place in it.

Strategy is, in large part, institutionalised belief. The question is whether your organisation has any mechanism for examining those beliefs — or whether they're just the water everyone swims in, invisible and unquestioned.

It makes you respect money more when it comes from something you create, rather than just trading back and forth with someone else's cash.

highly motivated teams, who are motivated by the 'end' (the cause) rather than the 'method' (the task)

Transport, natural disasters, the distribution of resources, globalisation – engineers and inventors have the traits and skillset to solve the problems the world faces today. And therefore have the potential to impact the world and economy. The economy can be boosted by exporting tangible technology that is in global demand. This is the hands of engineers.

Rape is one of the oldest weapons of war and it remains so to this day. For too long, it has been viewed as an 'unfortunate' side effect of war. But really, it is a tactic. The truth is that stable societies are built on the backs of women.

Art, for him, is a crucial means for turning thinking into doing in the world.

You become immune to the evils of criticism and flattery and enjoy a fundamental self-esteem and not a desire for self-image. This is dependent on others and can be taken away any time you are not validated.