We had decided that during the early years of our married life, we would see a good deal of foreign countries, and accordingly we spent the first three months of 1895 in Berlin. I went to the university, where I chiefly studied economics. ... We went to concerts three times a week, and we began to know the Social Democrats, who were at that time considered very wicked.
Source: The Autobiography of Bertrand Russell, v.1 chap. 1
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