The oldest and strongest emotion of human beings is fear; The oldest and strongest fear comes from the unknown ... The real horror story should not only be about murder, bones and ghosts ... There must be an unknown fear beyond human common sense ... It violates and breaks all natural laws, because these "daily iron laws" are the only line of defense between human beings and unknown evils in the unfathomable starry sky.

Echoing this passage at a distance is the title of Cthulhu's masterpiece, The Call of Cthulhu, which may be put here.

..... The kindest thing in the world is that human beings can't master all the knowledge they have. We live on an island called ignorance surrounded by a dark sea, but this does not mean that we should sail and explore unknown areas ... If one day mankind can understand the truth of the universe and understand our insignificant position in the universe, it will definitely make everyone fall into permanent madness. ...