I cannot understand why we idle discussing religion. If we are honest—and scientists have to be—we must admit that religion is a jumble of false assertions, with no basis in reality. The very idea of God is a product of the human imagination. It is quite understandable why primitive people, who were so much more exposed to the overpowering forces of nature than we are today, should have personified these forces in fear and trembling. But nowadays, when we understand so many natural processes, we have no need for such solutions. I can't for the life of me see how the postulate of an Almighty God helps us in any way. What I do see is that this assumption leads to such unproductive questions as why God allows so much misery and injustice, the exploitation of the poor by the rich and all the other horrors He might have prevented. If religion is still being taught, it is by no means because its ideas still convince us, but simply because some of us want to keep the lower classes quiet. Quiet people are much easier to govern than clamorous and dissatisfied ones. They are also much easier to exploit. Religion is a kind of opium that allows a nation to lull itself into wishful dreams and so forget the injustices that are being perpetrated against the people. Hence the close alliance between those two great political forces, the State and the Church. Both need the illusion that a kindly God rewards—in heaven if not on earth—all those who have not risen up against injustice, who have done their duty quietly and uncomplainingly. That is precisely why the honest assertion that God is a mere product of the human imagination is branded as the worst of all mortal sins.
Curiously enough, it seems that at times the spiritual side prevails, and then the materialistic side—in wave-like motions following each other. ...At one time the full flood of materialistic ideas prevails, and everything in this life—prosperity, the education which procures more pleasures, more food—will become glorious at first and then that will degrade and degenerate. Along with the prosperity will rise to white heat all the inborn jealousies and hatreds of the human race. Competition and merciless cruelty will be the watchword of the day. To quote a very commonplace and not very elegant English proverb, "Everyone for himself, and the devil take the hindmost", becomes the motto of the day. Then people think that the whole scheme of life is a failure. And the world would be destroyed had not spirituality come to the rescue and lent a helping hand to the sinking world. Then the world gets new hope and finds a new basis for a new building, and another wave of spirituality comes, which in time again declines. As a rule, spirituality brings a class of men who lay exclusive claim to the special powers of the world. The immediate effect of this is a reaction towards materialism, which opens the door to scores of exclusive claims, until the time comes when not only all the spiritual powers of the race, but all its material powers and privileges are centered in the hands of a very few; and these few, standing on the necks of the masses of the people, want to rule them. Then society has to help itself, and materialism comes to the rescue.