In all the disputes which have excited Christians against each other, Rome has invariably decided in favor of that opinion which tended most towards the suppression of the human intellect and the annihilation of the reasoning powers.
Descartes constructed as noble a road of science, from the point at which he found geometry to that to which he carried it, as Newton himself did after him. ... He carried this spirit of geometry and invention into optics, which under him became a completely new art.
"I have no more than twenty acres of ground," he replied, "the whole of which I cultivate myself with the help of my children; and our labor keeps off from us the three great evils - boredom, vice, and want."
Custom, law bent my first years to the religion of the happy Muslims. I see it too clearly: the care taken of our childhood forms our feelings, our habits, our belief. By the Ganges I would have been a slave of the false gods, a Christian in Paris, a Muslim here.