History does not long entrust the care of freedom to the weak or the timid.

Liberty has never come from Government. Liberty has always come from the subjects of it. The history of liberty is a history of limitations of governmental power, not the increase of it.

One could write a history of science in reverse by assembling the solemn pronouncements of highest authority about what could not be done and could never happen.

If you want to study the social and political history of modern nations, study hell.

The point in history at which we stand is full of promise and danger. The world will either move forward toward unity and widely shared prosperity - or it will move apart.