The minute you got the Nobel Peace Prize, things that I said yesterday, with nobody paying too much attention, I say the same things after I got it - oh! It was quite crucial for people, and it helped our morale because apartheid did look invincible.

People sometimes strive after and think they will find deep satisfaction for their psyches in wealth, sex or drugs, but then find that ultimately these things do not satisfy human longings.

Sometimes you wish you could keep quiet. It's the kind of thing you heard the prophet Jeremiah complain of where he says, "You know God, I didn't want to be a prophet and you made me speak words of condemnation against a people I love deeply. Your word is like a fire burning in my breast."

What is black empowerment when it seems to benefit not the vast majority but an elite that tends to be recycled?

There comes a point where we need to stop just pulling people out of the river. We need to go upstream and find out why they're falling in.

There can be no healing without truth.

Twenty-five years ago people could be excused for not knowing much, or doing much, about climate change. Today we have no excuse. No more can it be dismissed as science fiction; we are already feeling the effects.