There are numerous stars and planets in the vast space. All are continuously in motion, but there is no clash between them. This provides an exemplary scene of togetherness and harmony. There are so many rivers flowing on the surface of the earth but there is no clash between them. There are so many trees on our beautiful planet earth but they live in complete harmony. Even the animals of the forest are following the same culture of peace. No fighting like that of the first or second world war ever takes place in the animal world. Now I would like to add some relevant references on this subject from the Islamic scriptures. God has declared in the Quran: Mankind! We have created you from a male and female, and made you into peoples and tribes, so that you might come to know each other. (49: 13) In the words of the Quran, this means all men and women of the world are blood brothers and blood sisters. The entire human race has a common ancestor. So according to Islam, universal brotherhood is not just a theoretical idea, but a biological and historical fact.