Principles
Ray Dalio
The Thirteen Books of Euclid's Elements
Euclid, Johan Ludvig Heiberg
Proclus and the Chaldean Oracles; A Study on Proclean Exegesis, ...
Nicola Spanu
Iamblichus and the Theory of the Vehicle of the Soul
John F. Finamore
"Trickle Down Theory" and "Tax Cuts for the Rich"
Thomas Sowell