Our strategy is one of preventing war by making it self-evident to our enemies that they're going to get their clocks cleaned if they start one.

For a long time many believed that there would be an automatic adjustment and counted on a rapid increase in the wages of the emerging nations on our advances in technology and the costs of transport preventing disruption. But this reassuring analysis is out of date.

Next to enjoying ourselves the next greatest pleasure consists in preventing others from enjoying themselves or more generally in the acquisition of power.

I was proud to share the stories of my friends at Georgetown Law who have suffered dire medical consequences because our student insurance does not cover contraception for the purpose of preventing pregnancy.

Contraceptives have a proven track record of enhancing the health of women and children preventing unintended pregnancy and reducing the need for abortion.

You cannot drive a system that's going to be aiming at preventing illness if everyone is not in it. The whole gaming of health insurance and health care in America is based on that fundamental principle: insure people who aren't sick and you don't have to pay more money on them.

The best method for preventing destructive cult involvement is preventative education. If students and the public at large are more aware of destructive groups beforehand they may better understand and resist their recruitment efforts.

If we can't have the courage to tell our constituents hey we've got to cut back then if we can point to something and say I would like to vote for more benefits for you but this balanced budget amendment or statutory spending cap or whatever the device is is preventing me from doing it.

If anything characterizes the cultural life of the seventies in America it is an insistence on preventing failures of communication.

But behavior in the human being is sometimes a defense a way of concealing motives and thoughts as language can be a way of hiding your thoughts and preventing communication.

Some argue that now isn't the time to push the green agenda - that all efforts should be on preventing a serious recession. That is a false choice. It fails to recognise that climate change and our carbon reliance is part of problem - high fuel prices and food shortages due to poor crop yields compound today's financial difficulties.

Politics is the art of preventing people from busying themselves with what is their own business.