July 1, 1646: Birthday of philosopher and mathematician Gottfried Wilhelm Leibniz.
Leibniz (1646-1716) was an early modern philosopher who thought that this world is the best that God could have created. In mathematics, he helped develop calculus and described mechanical calculators.
July 2, 1778: Death of political philosopher Jean-Jacques Rousseau.
Rousseau (1712-1778) was a political philosopher and writer, best known for his contributions to social contract theory. Rousseau considered the natural state of humans to be good and advocated a radically democratic state.
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Quote of the day: “There are two kinds of truths: those of reasoning and those of fact. The truths of reasoning are necessary and their opposite is impossible; the truths of fact are contingent and their opposites are possible.” — Gottfried Wilhelm Leibniz
Quote of the day: “The fruits of the Earth belong to us all and the Earth itself to nobody.” — Jean-Jacques Rousseau
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