The problem is that one man's superstition is another man's religion, and vice versa. Many Protestants today still see Catholicism as being rife with superstition, ... while atheists and agnostics would see bien-pensant Protestants as worshiping an equally absurd form of the supernatural.
A degree of culture, and assuredly a very high one, is attained when man rises above superstitions and religious notions and fears, and, for instance, no longer believes in guardian angels or in original sin, and has also ceased to talk of the salvation of his soul.
The greatest impact of the Darwinian revolution...was that it completed the liberation from superstition and fear that began in the physical sciences a few centuries before. Man, too, is a natural phenomenon. [in "The evolutionary concept of man", 1972, p. 35.]
Science is the great antidote to the poison of enthusiasm and superstition.
It's natural to think that living things must be the handiwork of a designer. But it was also natural to think that the sun went around the earth. Overcoming naive impressions to figure out how things really work is one of humanity's highest callings.
[Can You Believe in God and Evolution? Time Magazine, August 7, 2005]
Just as primitive man believed himself to stand face to face with demons and believed that could he but know their names he would become their master, so is contemporary man faced by this incomprehensible, which disorders his calculations. "If I can but grasp it, if I can but cognise it", so he thinks, "I can make it my servant.
If a black black cat crosses your path, it suggests that the animal is going somewhere.
The ignorant frighten children with ghosts, and the better educated assure them there is no such thing. Our understanding may believe the latter, but our instincts believe the former; so that, out of this education, we retain the terror, and just believe enough to make it very troublesome whenever we are placed in circumstances that awaken it.