C749 End of Time

The number of times the Great Change was 50 was 40 to 9. Only by escaping could all living things grow.

The so-called Great Development Technique was the One, Two Elements, Four Appearances, and Eight Trigrams technique. The total number of these elements was exactly fifty, so it could be used to deduce everything in the world.

Why did it use forty-nine?

Simply put, everything in the world