The nuclear arsenels already available with some countries are now a great threat for the civilization. We do not know when the situation may worsen and some country may use it to win the war in its favour.
The presence of nuclear weapons in the world is like a Damocles sword hanging on our heads. It is really very unfortunate that the scientific knowledge has been misused to create weapons of mass destruction.
Knowledge is power.
Non-violence is the greatest Dharma; So too is all righteous violence.
The stronger a light shines the darker are the shadows around it.
'Idhuvum Kadandhu Pogum "
Even this challenging situation would ease
After that nobody has used a nuclear weapon. But many countries all ready with the ammunition in their fold. Any bad moment, it may be used. We can't predict.
Science can be used for progress or for destruction also. It is the people who have the ability to think and act has to see that no one will unnecessarily suffer because of their irresponsible acts.