Maximillian Robespierre said this quote

“ ...if the spring of popular government in time of peace is virtue, the springs of popular government in revolution are at once virtue and terror. Virtue, without which terror is fatal; terror, without which virtue is powerless. Terror is nothing other than justice, prompts, severe, inflexible. It is there an emanation of virtue. It is not so much a special principle as it is a consequence of the general principle of democracy applied to our country's most urgent needs...is force made only to protect crime? And is the thunderbolt not destined to strike the heads of the proud?... Are the enemies within not the allies of the enemies without?... ”