The History of England from the
Invasion of Julius Cæsar to the Revolution of 1688

David Hume

Chapter 64, Footnote #09
Some hints of rebellion, nonetheless

Some nonconformists, however, both in Scotland and England, had kept a correspondence with the States, and had entertained projects for insurrections, but they were too weak even to attempt the execution of them.---D'Estrades, October 13, 1665.