"Jansenism." YourDictionary, n.d. Web. 15 December 2018. <https://www.yourdictionary.com/Jansenism>.
Jansenism. (n.d.). Retrieved December 15th, 2018, from https://www.yourdictionary.com/Jansenism
The theological principles of Cornelis Jansen, which emphasize predestination, deny free will, and maintain that human nature is incapable of good. They were condemned as heretical by the Roman Catholic Church.
From the real or fancied rapprochements between Cartesianism and Jansenism, it became for a while impolitic, if not dangerous, to avow too loudly a preference for Cartesian theories.
By concluding concordats with all the important Catholic powers save Austria he made it possible to crush Jansenism, Febronianism and Gallicanism.
It does not appear that up to this time the Pascal family had been contemners of religion, but they now eagerly embraced the creed, or at least the attitude of Jansenism, and Pascal himself showed his zeal by informing against the supposed unorthodoxy of a Capuchin, the Pere Saint-Ange.
While the authority of Augustine received lip-homage, the doctrine of the Roman Catholic Church became more Pelagian, and in the Tridentine decrees and still more in the ethics of the Jesuits, in spite of the opposition of Jansenism, Pelagianism at last triumphed.
In 1700 he published his history of Jansenism (Histoire generale du Jansenisme), a dry work, by which, however, he is best remembered.