Gulag archipelago by
Aleksandr Solzhenitsyn
Sun tzu art of war it is everyday stuff
Tau te ching Lau tzu….
The bible… not the modern sanitized versions the earliest version including left out books including one by judas iscariot.
There are so many ideas to try and understand a single life time is not enough
If you want to know more of the Arab world through sufiism rabi’a ( a woman poet)