This book is not a collection of essays on the author's major fields of study, such as philosophy, mathematics, science, or logic, but rather an easy-to-read collection of essays.
He calls himself a socialist and considers communism and fascism to be enemies of human peace.
Moreover, it criticizes the intolerance and resulting cruelty of Western Christian civilization.
It also examines, from a father's perspective, why young people have come to view existing values ​​such as religion, national flag, progress, beauty, and truth with a cynical gaze.

Modern production methods have opened up possibilities for us all to be comfortable and safe.
Yet we have chosen to overwork some people and starve others.
Even now, we continue to work as energetically as before, before machines existed.
In this respect we were foolish.
But there is absolutely no reason to continue this foolishness forever.

--- p.33

The confusion of thought that has brought about our misfortune is the confusion between the consumer's position and the producer's position.
At the time of imposing the reparations, the Allies considered themselves consumers.
They were delighted at the thought that if they made the Germans work as temporary slaves, they would be able to consume what the Germans produced without having to work themselves.
The confusion of thought that has brought about our misfortune is the confusion between the consumer's position and the producer's position.
At the time of imposing the reparations, the Allies considered themselves consumers.
They were delighted at the thought that if they made the Germans work as temporary slaves, they would be able to consume what the Germans produced without having to work themselves.

--- p.75

Thanks to the productivity of households, humanity has been able to enjoy a significant level of prosperity while working much less than in the past.
Some meticulous writers argue that just one hour of work a day is enough, but that calculation doesn't seem to be enough to halt Asia's upward trajectory.
In my opinion, it seems most reasonable to insist on a four-hour workday.
If all merchants worked just as hard, I believe they could produce as much material comfort as any discerning person could desire.
Thanks to the productivity of households, humanity has been able to enjoy a significant level of prosperity while working much less than in the past.
Some meticulous writers argue that just one hour of work a day is enough, but that calculation doesn't seem to be enough to halt Asia's upward trajectory.
In my opinion, it seems most reasonable to insist on a four-hour workday.
If all merchants worked just as hard, I believe they could produce as much material comfort as any discerning person could desire.

--- p.184-185