Date: 1751, 1777
"They [cruel ideas] still haunt his solitary hours, damp his most aspiring thoughts, and show him, even to himself, in the most contemptible and most odious colours imaginable."
preview | full record— Hume, David (1711-1776)
Date: 1794
"As those which contribute to circulate the blood, and to perform the various secretions; as well as the associate tribes and trains of ideas, which contribute to furnish the perpetual streams of our dreaming imaginations."
preview | full record— Darwin, Erasmus (1731-1802)