The most important of its theories--that power emanates from the people, that law is the expression of their will--is to be found literally reproduced in the Declaration of the Rights of Man. As soon as the idea of association occurs to the Jacobins they instantaneously trace it back to Rousseau, and employ all his phraseology. Abbé Fauchet writes, in an article in _La Bouche de Fer_: "Great Rousseau, of the candid mind and feeling heart! thou art one of the first to have understood the eternal laws of equity. Yes; every man has a right to the earth, has a right of property in what he requires for his support." And he goes on to maintain that the social contract is a contract between the man and his country. Saint-Just expresses himself in almost the same words in his speech demanding the death of Louis XVI.: "The social contract is a contract which the citizens conclude with one another, and not a contract with the government. Men have no responsibility in the matter of a contract into which they have not entered." But it is Robespierre who, as leader of the Jacobins, gives typical expression to their devotion to the principles of Rousseau. He was the first enemy of the Girondist rationalism; hence we find him, at the time when this rationalism was most distinctly proving its destructive tendency, declaring in a charge to the Jacobins that the Revolution is under the direction of God, is in fact His work. He felt impelled to give his revolutionary sentimentality this affected expression, which implied its relationship with what was called "natural religion."