Anybody can make a baby without any checking, without thinking. This type of parenting can be tragic because one of the greatest actions a human being can do is to create another life.

The unequal distribution of food is one of the world's most tragic facts. Millions of people die because they have too little to eat, and many die because they have too much.

Toddlers are so powerful and so egocentric and teenagers are also so powerful, so egocentric.

Habitual caution ties and binds us; it is as if we were dressed always in clothes and shoes that were several sizes too small.

As long as there is no control of population, the population explosion will make it so easy for politicians to dominate.

They don't consider nicotine as a drug. Why don't they put it together with all the other drugs?

You would think that as you get older you would be more disciplined. As I get older I get less disciplined. I just play around!