Emmanuel Kant who had active acheivement at the beginning eras of modernized society could have been regarded as a philosopher who inspected Reason by itself and criticized it and even these days, his influence and enlightenment are offered to us all.

On the other hand, Bartland Russell was originally Mathematician. "Being foolish than ever, thus I became Logician and more foolish than ever, became Philosopher, moreover foolish, I became Peace activist." That confession was made by him at latter days of his life.

But anway, he was originally Mathematician, though probably that must be correct. He wrote that Kant was Mathematical Philosopher, by the way, what does "Reason" mean?

He harsh criticized that '"Reason" through the expression, "Reason's Conceit".

If we try to regard it as the simplest summary, we could interpret that Reason's rational nature could never be criticized by anybody ordinarily. To that our ordinarily seing correct nature, he had some skepticism as that was so sneaky. And its idea is not so misunderstanding thing.

The method which we strategically try to confront everything could be regarded as not so humamic as skeptically interpretable to us, in general.

In other words, with rationalism, as if we do use "Round up numbers of five and above and drop round down anything under five", the impression could be seen in our reasonable judgment as skeptically regarding.

Simply, rationalism abiding that calculating attitude in terms of time cost performance certainly contributes us. But it either associates us some contemporary socially typically utilitarianism, certainly we can regard it as unfamiliarily seen, in other words, to the one who can't think so, some discriminably, the idea could regard.

T

Though, in these days, society familiarly seen things and merely seen things rationally are neither completely ordered together, we'd define so.

Because when we try to be perfect, we'd unnecessarily try to arouse our mind, that attitude consequently makes us rather rough work and through these truths, Russell could have been known to philosophy's essence so in humanistic carnality practically.

Though, necessarily, unexpectedly, also Mathematics try to acquire rationalized evidence, but at the matter of fact, they could fight against mutually like artists circle or their community.

(continued)

Written in Japanese at Apr. 4th., translated into English at 14th. 2023