The right most valued by all civilized men is the right to be left alone.

We learned long ago that liberty could be preserved only by limiting in some way the freedom of action of individuals; that otherwise liberty would necessarily yield to absolutism; and in the same way we have learned that unless there be regulation of competition, its excesses will lead to the destruction of competition, and monopoly will take its place.

The makers of our Constitution . . . conferred, as against the government, the right to be let alone - the most comprehensive of rights and the right most valued by civilized men.

In business, the earning of profit is something more than an incident of success. It is an essential condition of success. It is an essential condition of success because the continued absence of profit itself spells failure.

The US States are our laboratories of democracy.

The greatest menace to freedom is an inert people.

In a democracy, the most important office is the office of citizen