Our tolerance is an achievement of the Dutch Republic from the 16th to the 18th century. People were convinced that their own religion was the true one, and that the others would undoubtedly end up in hell. But on the streets and in commerce people considered and treated each other as equals and respected one another as human beings.
Discrimination against Muslims and other immigrants should be vigorously contested, but once people become terrorists, they should be dealt with forcefully, with the heavy hand of government. Where the violent version of Islam gains the upper hand and attains political power, it will be done and over with regarding our freedoms.