What does by going up one flight of stairs mean?

"Chivalry" originated in Japan, and many netizens don't know its meaning. So, let's introduce it below.

1, "If you can go down, you can go up" is one of the characteristics of Japanese samurai, that is, the opportunism of fishing in troubled waters and taking advantage of chaos.

2. In the absence of a thorough anti-feudal revolution, Japan has always maintained a political system with warriors and privileged elites as the main body. This samurai politics developed from the ruler "retainer" has a distinct duality.

3. On the one hand, it is "chauvinism", that is, following the powerful fox to pretend to be sick desperately, on the other hand, it is "condescending", that is, opportunism to fish in troubled waters and profit from chaos. It is the combination of "ambition" and "opportunism" that determines the extreme danger of Japanese politics.

This is the meaning of by going up one flight of stairs.