With every respect for that great lawyer, his argument on this point does not appear sustainable.
"The Constitutional History of England From 1760 to 1860"
Charles Duke Yonge
Men leave error undisturbed, because they accept in a loose way the proposition that a belief may be 'morally useful without being intellectually sustainable,' They disguise their own dissent from popular opinions, because they regard such opinions as useful to other people.
"On Compromise"
John Morley
We are thinking of a very different attitude-that, namely, of persons who believe a creed to be not more morally useful than it is intellectually sustainable, so far as they themselves are concerned.
"On Compromise"
John Morley