We are intelligent beings: intelligent beings cannot have been formed by a crude, blind, insensible being: there is certainly some difference between the ideas of Newton and the dung of a mule. Newton's intelligence, therefore, came from another intelligence
If God did not exist, He would have to be invented. But all nature cries aloud that he does exist: that there is a supreme intelligence, an immense power, an admirable order, and everything teaches us our own dependence on it.
Let us meet four times a year in a grand temple with music, and thank God for all his gifts. There is one sun. There is one God. Let us have one religion. Then all mankind will be brethren.
Everything happens through immutable laws, ...everything is necessary... There are, some persons say, some events which are necessary and others which are not. It would be very comic that one part of the world was arranged, and the other were not; that one part of what happens had to happen and that another part of what happens did not have to happen. If one looks closely at it, one sees that the doctrine contrary to that of destiny is absurd; but there are many people destined to reason badly; others not to reason at all others to persecute those who reason.
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.