A Transgression Of The Limit

It is in the nature of every application of violence that it tends toward a transgression of the limit within which it is tolerated and viewed as legitimate.  Even the best discipline cannot always prevent police officers from striking harder than circumstances require, or prison wardens from inflicting brutalities on inmates.

-- Ludwig Heinrich Edler von Mises (1881-1973), Austrian economist, philosopher, author, and classical liberal, Omnipotent Government, p. 156