>>2842604"The art of worldly wisdom", sometimes "The art of discretion" or "A hand oracle" by Baltasar Gracian. A priest from the 1600s offers advice on how to deal with society and its retards. Witty, sharp, smart, cunning, constantly reminding you why society is shit.
"The Penguin Guide to Symbols" by Chevalier and Gheerbrant. Encyclopedia of symbols, stars, colours, gods, habits, trees, animals, numbers,... and how they were interpreted throughout the ages by different civilizations.
Pico della Mirandola, Oration on the Dignity of Man. A 23 yo kid came up with the ideas of equality, free will and self-determination of mankind. Founding "father" of Humanism, written in Florence, Italy, 1486.