War contributes greatly to global warming which shouldn't surprise us. All those bombs going off all those rockets all those planes and helicopters. All that fuel of various kinds being used. It pollutes the air and water of this very fragile and interconnected planet.

Building a good stable and productive China-U.S. relationship is in our mutual interest of our two countries and our two peoples and also contributes to peace and development.

The United States contributes to peace in both by serving as a buffer between and among regional powers that while not preparing for armed conflict do not fully trust one another.

Our system of private health insurance that fails to provide coverage to so many of our citizens also contributes to the double-digit health care inflation that is making America less competitive in the global economy.

It contributes greatly towards a man's moral and intellectual health to be brought into habits of companionship with individuals unlike himself who care little for his pursuits and whose sphere and abilities he must go out of himself to appreciate.

And in fact you can find that the lack of basic resources material resources contributes to unhappiness but the increase in material resources do not increase happiness.

Eating is not merely a material pleasure. Eating well gives a spectacular joy to life and contributes immensely to goodwill and happy companionship. It is of great importance to the morale.

Anything you're good at contributes to happiness.

I think the teaching profession contributes more to the future of our society than any other single profession.

In friendship as well as love ignorance very often contributes more to our happiness than knowledge.