We have had two dreadful world wars. Why can’t we have peace? To have peace there must be no nationalism – which is a poison. Why do we have it? Because people don’t want to change. It isn’t that they don’t see the reason of it, the logic, the sanity of it, but they say, ‘It is too difficult, why bother about it?’ That is the real source of it; it is not that they are indifferent, but they say, ‘It is too much work.’