Compulsory removal of unteachable and dangerous cases.
"Civics and Health"
William H. Allen
Its mission is to teach the unteachable: to enable us to comprehend the incomprehensible.
"Theological Essays"
Charles Bradlaugh
Amidst all the glamour of the Napoleonic Empire he discerned the dangers that threatened France; and he warned his master-as uselessly as he warned reckless nobles, priestly bigots, and fanatical Jacobins in the past, or the unteachable zealots of the restored monarchy.
"The Life of Napoleon I (Volumes, 1 and 2)"
John Holland Rose