The Framers of the Constitution knew that free speech is the friend of change and revolution. But they also knew that it is always the deadliest enemy of tyranny.

Revolution, n. In politics, an abrupt change in the form of misgovernment.

In the final analysis, the whole cause of world revolution hinges on the revolutionary struggles of the Asian, African and Latin American people who make up the overwhelming majority of the world's population.

A revolution is interesting insofar as it avoids like the plague the plague it promised to heal.

Injustice, poverty, slavery, ignorance - these may be cured by reform or revolution. But men do not live only by fighting evils. They live by positive goals, individual and collective, a vast variety of them, seldom predictable, at times incompatible.

It is a revolution, and it can no more be checked by human effort... than a prarie fire by a gardener's watering pot.

While the technology revolution has yet to reach far into the households of those in developing countries, this is certainly another area where more developed countries can assist those in the less developed world.

It's not the work which kills people, it's the worry. It's not the revolution that destroys machinery it's the friction.

Only since the Industrial Revolution have most people worked in places away from their homes or been left to raise small children without the help of multiple adults, making for an unsupported life.

In art there are only fast or slow developments. Essentially it is a matter of evolution, not revolution.

The job of the writer is to make revolution irresistible.

Revolution begins with the self, in the self.

Industrialization based on machinery, already referred to as a characteristic of our age, is but one aspect of the revolution that is being wrought by technology.

Anyone who makes plans for after the revolution is a reactionary.

The industrial revolution has tended to produce everywhere great urban masses that seem to be increasingly careless of ethical standards.