Date: 1760

"There is a certain pleasing force that binds, / Faster than chains do slaves, two willing minds."

— Hamilton, William, of Bangour (1704-1754)

Date: w. 1789, 1804

"Can Mammon's votaries vainly hope to bind, / In shining shackles, his immortal Mind?"

— Woodhouse, James (bap. 1735, d. 1820)

Date: 1794

"And as these irritative ideas make up a part of the chain of our waking thoughts, introducing other ideas that engage our attention, though themselves are unattended to, we find it very difficult to investigate by what steps many of our hourly trains of ideas gain their admittance."

— Darwin, Erasmus (1731-1802)