And so began one of the most exciting periods of my life, the time of discovery. - Jane Goodall

Consider the farmer who sprays his fields with insecticide to kill the bugs that are damaging his crops. He kills thousands of harmless insects as well, including some that actually do good, such as bees that pollinate the flowers and give us honey. Creatures that feed on insects, especially birds, also get sick and die. In the end, because the poisonous chemicals get widely distributed, humans may become sick, too.

One thing I had learned from watching chimpanzees with their infants is that having a child should be fun.

I went to an empty henhouse [when I was four and a half], hid in the straw at the back, and waited, and the family had no idea where I was... My mother sees this excited little girl rushing toward the house all covered in straw. Instead of getting mad at me, which would've killed the excitement, she saw my shining eyes and sat down to hear this wonderful story of how a hen lays an egg.