Diego Velázquez, Portrait of Innocent X, 1650, Oil on canvas, Galleria Doria Pamphilj, Rome.
Leo Strauss On Tyranny: An Interpretation of Xenophon’s Hiero
Salvator Rosa, The Finding of Moses, c. 1650s, Oil on canvas, Detroit Institute of Arts, Detroit.
Leo Strauss Political Philosophy of Hobbes: Its Basis and Its Genesis
The fundamental concept of his theory of motion, the concept of conatus, appears first in his analysis of appetite.