And anyone who surveys the history of Church and State in America will be tempted to assert that in the last hundred years the separateness for which Locke contended is not without its justification.
Locke's theory is a means of preserving the humanity of men; Hobbes makes their reason and conscience the subjects of a power he forbids them to judge.

Locke saw that vigilance is the sister of liberty, where Hobbes dismissed the one as faction and the other as disorder.

At every point, that is to say, where Hobbes and Locke are at variance, the future has been on Locke's side.

He may have defended his cause less splendidly than his rival; but it will at least be admitted by most that he had a more splendid cause to defend.
With Rousseau there is no contrast, for the simple reason that his teaching is only a broadening of the channel dug by Locke.

No element integral to the _Two Treatises_ is absent from the _Social Contract_.
Rousseau, indeed, in many aspects saw deeper than his predecessor.