The following is a classical Chinese article with "Sodium Chloride Potassium Cyanide Crossword" as the core and direction, trying to create from the perspective of chemical-related metaphors:

"The Mysterious Secret of Chemicals"

There are two things in the world, one is sodium chloride, its taste is salty, it is commonly used for diet, seasoning and freshening, and it is indispensable for people's livelihood. There is also potassium cyanide, a highly toxic thing, which is dangerous when touched, and is related to life and death.

Compared with the two, sodium chloride is a common way in the world, stable and beneficial to the public; potassium cyanide is like a mysterious way, dangerous but hidden disaster. Like the way of life, choose the plain of sodium chloride to avoid the danger of potassium cyanide.

If you want to explore the wonders of chemical compounds, it is like a crossword to solve puzzles. You need to observe the physical properties carefully, understand the reasons, and know their uses. With a prudent heart, study the mystery of changes in all things, and you can obtain the true meaning of chemical compounds, so as not to go astray and risk it.

This article uses the characteristics of sodium chloride and potassium cyanide to symbolize the attitude that you should have in life choices and exploring things. Only by studying carefully like a crossword to solve puzzles can you understand the world, avoid disasters, and achieve peace.