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Abstract
Condensed matter physics has changed since the fifties: I attempt to retrace its evolution in the light of my own trajectory. It was and it remains a living field, in constant renewal. New ideas, new concepts keep appearing along with new experimental and theoretical tools. The danger lies in the bureaucratic evolution of scientific research, which might sterilize imagination and innovation. The future lies in the hands of young physicists who should defend their independence and creativity against fashions and competition.