It is important to know our thoughts; we need to be able to know our thoughts.
What is the mind thinking? Is it thinking the right thoughts, the wrong thoughts; is it being skillful, wise, unwise; wholesome, unwholesome? What is the mind thinking?
And as we recognize that the mind is thinking, when we realize something about the thinking mind, that realization is what we’re trying to gain from all the observations that we’re making.