Emmanuel Joseph Sieyès

"What is the Third Estate? Everything. What has it been until now in the political order? Nothing. What does it ask? To become something. Nothing be done without it, everything would be infinitely better without the other two orders."

- Sieyès in What Is the Third Estate, 1789.

Emmanuel Joseph Sieyès (3 May 1748 – 20 June 1836), commonly known as the Abbé Sieyès, was a French clergyman and political writer.

A leading theorist of the French Revolution, Sieyès wrote the pamphlet  in 1789, when he represented the Third Estate in the Estates-General. In the pamphlet, he claimed that the Third Estate had no actual political power, even though it constituted a nation, and had no need for the other two estates.

Reference

 * Assassin's Creed: Unity