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)

Date: 1794

"I would not shackle you with fetters of suspicion; I would have you governed by justice and reason."

— Godwin, William (1756-1836)

Date: c. 1804-1811, 1818

"Urizen lay in darkness & solitude, in chains of the mind lock'd up."

— Blake, William (1757-1827)

Date: w. 1797-1807, published 1893

"Forgetfulness dumbness necessity in chains of the mind lockd up / In fetters of ice shrinking."

— Blake, William (1757-1827)