I am a citizen of the world.

Strengthening our identity is one way or reinforcing people's confidence and sense of citizenship and well-being.

People are required to show a legal identity, their required to show a proof of age and citizenship, which may be shown through a variety of ways such as a voter registration card, or motor vehicle ID card rather than a drivers license if they do not have a drivers license.

Diogenes, when asked from what country he came, replied, "I am a citizen of the world

I am a citizen, not of Athens or Greece, but of the world

A passive and ignorant citizenry will never create a sustainable world.