But people do put a price tag on their existence.

Vietnam was never an attack on our existence or value system.

The play is a lost work, and there are some doubts on its existence.

Others have cast doubt on the existence of such a company.

It was time to begin concentrating on my new existence.

For a market economy to work it depends on the existence of certain values.

Your last words are also our own, as we remain committed to the solution based on the existence of two States.

All other forces are based on the existence of the four fundamental interactions.

We think it is an attack on the existence of women.

However more recent reports throw doubt on the existence of any such unit.