Questions have arisen about the policing of science. Who is responsible for the policing? My answer is: all of us.

A permanent base on Mars would have a number of advantages beyond being a bonanza for planetary science and geology. If as some evidence suggests exotic micro-organisms have arisen independently of terrestrial life studying them could revolutionise biology medicine and biotechnology.

Democracy may have arisen in the West as the way of striving for the universal aspiration to dignity and freedom but it isn't alien to the underlying concepts that infuse religion and moral philosophy everywhere.

I believe in Christianity as I believe that the sun has risen: not only because I see it but because by it I see everything else.

Society has arisen out of the works of peace the essence of society is peacemaking.

I do not deny that I planned sabotage. I did not plan it in a spirit of recklessness nor because I have any love of violence. I planned it as a result of a calm and sober assessment of the political situation that had arisen after many years of tyranny exploitation and oppression of my people by the whites.

All the ills of mankind all the tragic misfortunes that fill the history books all the political blunders all the failures of the great leaders have arisen merely from a lack of skill at dancing.

The Vietnamese people deeply love independence freedom and peace. But in the face of United States aggression they have risen up united as one man.

When others stood idly by you and your families gave your all in defence of a risen people and in pursuit of Irish freedom and unity.

Most of us can remember a time when a birthday - especially if it was one's own - brightened the world as if a second sun has risen.