When you pollute a river, it's a supreme injustice to those who are downstream and those who live in the river who are not human beings.

Those who live in a world of human beings can only retrace their steps.

Enslaving each other was what human beings had done for ages. And the abolitionist movement was greeted with incredulity. Conservative spokesmen ridiculed the abolitionists as liberals, progressives, do-gooders, meddlers, and activists.

We should all be able to live as human beings - and to be recognized as such by the societies we live in.

When it comes to the pinch, human beings are heroic.

Human beings have always been mythmakers.