The Dobrotiva Formation is a fossil formation situated in the North West of the Czech Republic. The town of Osek is built upon it. The Dobrotiva formation contains many valuable trilobites.
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“That for which Paul lived and died so gloriously; that for which Jesus gave himself to be crucified; the end that animated the thousand martyrs and heroes who have followed his steps, was to redeem us from a formal religion, and teach us to seek our well-being in the formation of the soul.”
—Ralph Waldo Emerson (1803–1882)