The Schläfli symbol is a part of geometry, used to represent the shape of polyhedra.

Deuteronomy is a part of the Old Testament.

I am currently reading the Kyūjitai form of 'Numbers', '民數記'.

I am currently reading Numbers.

Exodus is a part of the Torah and the Old Testament.

We should always remember the power of Kannon in difficult times.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.