"In what terms should we think of these beings, nonhuman yet possessing so very many human-like characteristics? How should we treat them? Surely we should treat them with the same consideration and kindness as we show to other humans; and as we recognize human rights, so too should we recognize the rights of the great apes? Yes."
"I did this book 'Harvest for Hope,' and I learned so much about food. And one thing I learned is that we have the guts not of a carnivore, but of an herbivore. Herbivore guts are very long because they have to get the last bit of nutrition out of leaves and things."
"The least I can do is speak out for the hundreds of chimpanzees who, right now, sit hunched, miserable and without hope, staring out with dead eyes from their metal prisons. They cannot speak for themselves."
"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."
"I think the most important thing is to keep active and to hope that your mind stays active."
"What you do makes a difference, and you have to decide what kind of difference you want to make."