How the Light Gets In (Chief Inspector Armand Gamache, #9)

by Louise Penny

But Isabelle Lacoste had been in the Sûreté long enough to know how much easier it was to shoot than to talk. How much easier it was to shout than to be reasonable. How much easier it was to humiliate and demean and misuse authority than to be dignified and courteous, even to those who were themselves none of those things. How much more courage it took to be kind than to be cruel.