When one meddles with the direction of a revolution, the problem is not how to make it go but how to keep it under control.

I would not exchange my leisure hours for all the wealth in the world.

None, but people of strong passion are capable of rising to greatness.

To administer is to govern: to govern is to reign. That is the essence of the problem.

Nothing baffles the schemes of evil people so much as the calm composure of great souls.

When one meddles with the direction of a revolution, the problem is not how to make it go but how to keep it under control.

War is the national industry of Prussia.