Human beings are the only animal that thinks they change who they are simply by moving to a different place. Birds migrate, but it's not quite the same thing.

Zoo: An excellent place to study the habits of human beings.

Human beings place their desires ahead of the collective good.

I find it hard to believe that human beings are the crowning achievement of life on earth. Something better than us has to come along.

One thing is clear to me: We, as human beings, must be willing to accept people who are different from ourselves.

Brain research tells us that only twenty percent of human beings have a sense of irony, which means that eighty percent of the world takes everything at face value.