“We've got to keep 6 billion people happy without destroying our planet. It's the biggest challenge we've ever faced…. but we're taking it on.”

“If we stand still, we're going backwards. We've got to keep moving forward and appear to be moving forward.”

“We're not the same people we were then. We've changed, we've grown.”

“But what's true about comedians is that we've all got a huge hole in our personality. In a room of 3,000 people, we're the one person facing in the opposite direction - yet we have this overwhelming desire to be liked.”

“We've got to take the side of the people that are being oppressed. And if we can't do that, then we're not doing our job, because the people in that minority community or in that community are not going to have any faith in the medical program that is in there if you can't take their side.”

“Ever since we arrived on this planet as a species, we've cut them down, dug them up, burnt them and poisoned them. Today we're doing so on a greater scale than ever [… ] We destroy plants at our peril. Neither we nor any other animal can survive without them. The time has now come for us to cherish our green inheritance, not to pillage it – for without it, we will surely perish.”

“Black people are fed up with the dillydallying, pussyfooting, compromising approach that we've been using toward getting our freedom. We want freedom now, but we're not going to get it saying "We Shall Overcome." We've got to fight until we overcome.”

“Our mothers always remain the strangest, craziest people we've ever met.”

“‎Everything passes. Nobody gets anything for keeps. And that's how we've got to live.”

“Evil doesn't die. It never dies. It just takes on a new face, a new name. Just because we've been touched by it once, it doesn't mean we're immune to ever being hurt again. Lightning can strike twice.”