Successful actors and actresses have to get themselves into their roles before acting. Therefore, you need to really care about what you are saying.

Every stage of my life set the scene for the next, and at each point all I had to do was say "yes" and not think too much about the consequences.

Never be arrogant or abrasive. Treat your opponent respectfully if they really and truly believe they are right.

There are an awful lot of scientists today who believe that before very long we shall have unraveled all the secrets of the universe. There will be no puzzles anymore. To me, it'd be really, really tragic because I think one of the most exciting things is this feeling of mystery, feeling of awe, the feeling of looking at a little live thing and being amazed by it and how it has emerged through these hundreds of years of evolution and there it is and it is perfect and why.

A sense of calm came over me. More and more often I found myself thinking, "This is where I belong. This is what I came into this world to do.

Without the support of local people, you might as well give up because you can make all the noise you like, you can demarcate a national park, but if the people outside want to go creeping into a forest you really can't stop them. They've got to get a benefit.

The chimpanzees taught me a lot about nonverbal communication. The big difference between them and us is that they don't have spoken language. Everything else is almost the same: Kissing, embracing, swaggering, shaking the fist.