Scientific modes of thought cannot be developed and become generally accepted unless people renounce their primary, unreflecting, and spontaneous attempt to understand all their experience in terms of its purpose and meaning for themselves. The development that led to more adequate knowledge and increasing control of nature was therefore, considered from one aspect, also a development toward greater self-control by men.

The natives of England are closing their doors to relationships with Asians and Africans or, for that matter, Turks and Spaniards. While the Africans and Asians on their part are increasingly closing their doors too and resentment at both sides is increasing. This trend can be dangerous. It can lead, sooner or later, to violence - even in this country, which is traditionally an opponent of violence.

Perhaps I should say that in general there are three solutions to such a situation. I mean not only in Holland, but everywhere where there are minority groups: in America, in Vietnam with the Chinese. Everywhere there is the same problem. But there are fundamentally three, actually only two possible solutions. A possible solution is that the despised minority is able to establish its own state somewhere else. The other solution is a higher or lesser degree of assimilation. And the third possibility, which is not a solution at all, is the permanence of the tension and conflict over time.

I wish you all the pleasurable excitement one can have without hurting others and one's own dignity.

I would like to remind you that both assimilation and integration apply to the working classes in the nineteenth century, at least in Britain and also Germany. Like most outsider groups compared with the establishment, the working classes were treated more or less with the same kind of stigmatization as immigrant groups are treated today.

Debating the concept of race does not mean that I in any way regard this as a quarrel between neighbors over where they come from. I have perhaps said enough when I said the alternative to assimilation is that immigrant groups form their own state or go away for lack of acceptance. Why should it be less serious if quarrels and dissensions are socially related? After all, the quarrels and dissensions between Russia and America are also not racial. And yet they seem to me extremely dangerous.

Scientific modes of thought cannot be developed and become generally accepted unless people renounce their primary, unreflecting, and spontaneous attempt to understand all their experience in terms of its purpose and meaning for themselves. The development that led to more adequate knowledge and increasing control of nature was therefore, considered from one aspect, also a development toward greater self-control by men.