 Finally, he is really, spiritually happy, because he lives close to God.Neostoicism had a direct influence on many seventeenth and eighteenth-century writers including Montesquieu, Bossuet, Francis Bacon, Joseph Hall, Francisco de Quevedo and Juan de Vera y Figueroa.The work of Guillaume du Vair, "Traité de la Constance" (1594), was another important influence in the Neostoicism movement, but while Lipsius based his Stoicism on the writings of Seneca, du Vair emphasised the Stoic thought of Epictetus.