Date: 1754

"What is the juxta-position of ideas? what is that chain which connects, by intermediate ideas that are the links of it, ideas that are remote, but figurative stile?"

— St John, Henry, styled first Viscount Bolingbroke (1678-1751)

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: 1760, 1850

Friendship is "The indissoluble tie that binds, / In equal chains, two sister minds."

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