A lawyer has no business with the justice or injustice of the cause which he undertakes, unless his client asks his opinion, and then he is bound to give it honestly. The justice or injustice of the cause is to be decided by the judge.

Samuel Johnson (1709-1784) English writer, lexicographer, critic
Comment (15 Aug 1773)

In James Boswell, Tour to the Hebrides (1786)