There is no definition of terrorism and there is still the reality that one person's terrorist is another person's freedom fighter.

Struggles only move forward when decent men and women step forward and say, 'enough is enough and no more.'

A movement only becomes a movement of substance, size, and power when the artists say 'we want to add our voice.'

Investing one cent more in oil, coal and gas is investing in the death of society, and the in the death of our children.

You know how they say, 'What happens in Vegas, stays in Vegas?' What happens in the Arctic doesn't stay in the Arctic.

Sandy was a climate change warning. Obama must now take the stage and fulfil the promise of hope the world needs.

The reality is today most of our political leaders want to be treated as gods and semi-gods, from the security details to the fuss around them and so on.

Whenever anybody called Nelson Mandela a saint, he would say: "If by saint you mean a sinner who is trying to be better, then I'm a saint."

If not one more cent in new aid money flowed [to Africa], we could with more urgency and efficiency and creativity be doing much more to take more people out of poverty.

In Durban, where I was born and grew up, and all over Africa, Nelson Mandela was a hero! Now he is a hero to the world.

I think even though he [Nelson Mandela] was feted and praised as he was, he always was at pains to say, I'm a human being.

You are not with your luck but he is with you forever and your life proves it.

Your company culture is the internal foundation on which everything in your business builds.

But I am bound upon a wheel of fire, that mine own tears do scald like moulten lead.

The mathematical life of a mathematician is short. Work rarely improves after the age of twenty-five or thirty. If little has been accomplished by then, little will ever be accomplished.

Anything can be achieved in small, deliberate steps. But there are times you need the courage to take a great leap; you can't cross a chasm in two small jumps.

Act in such a way that you will be worthy of being happy.

I want my family to resemble the family I came from.

[The child] takes his play very seriously and he expends large amounts of emotion on it. The opposite of play is not what is serious but what is real.

I have had fatwas issued against me, some three in Bangladesh and another five in India. I will not be cowed by these threats and shall fight for my rights.

History is the siren song of the soul.