the expediency of aggressive or defensive tactics; and the fundamental… — The Art of War
SAPIR 861
the expediency of aggressive or defensive tactics; and the fundamental laws of human nature: these are things that must most certainly be studied. 42. When invading hostile territory, the general principle is, that penetrating deeply brings cohesion; penetrating but a short way means dispersion.
Open Scriptures Hebrew Bible (WLC), CC BY 4.0