Rather than follow this unfortunate Christian example, Machiavelli suggested that a leader would do well to make judicious use of what he called, in a deliciously paradoxical phrase, ‘criminal virtue’. Machiavelli provided some criteria for what constitutes the right occasion for criminal virtue: it must be necessary for the security of the state, it must be done swiftly (often at night), and it should not be repeated too often, lest a reputation for mindless brutality builds up.

