From the book The Essential Secret of the Jews, M. Brushtein
Fundamental Principles of the Integral Theory
Humanity is part of nature.
First of all, you need to study the human being.
Everyone should be a psychologist – for himself and for human society.
Fruits appear bitter and unattractive. When they ripen – they are tasty and attractive.
To comply with the laws of nature, it is necessary to learn what the human being is, what his environment is, and how they affect each other.