James Ewing Ritchie - The Real Gladstone: An Anecdotal Biography стр 15.

While I am mentioning my honourable and learned friend, it would be ungrateful in me not to take notice of the undeservedly kind language in which he thanked Heaven that I had not lived and died in the Middle Ages. My hon. and learned friend complimented me on the subtlety of my understanding, and it is a compliment of which I feel the more the force since it comes from a gentleman who possesses such a plain, straightforward, John-Bull-like character of mind rusticus abnormis sapiens crassaque Minerve. Therefore, and by the force of contrast, I feel the compliment to be ten times more valuable. But I must say, if I am guilty of that subtlety of mind of which he accuses me, I think that there is no one cause in the history of my life to which it can be so properly attributed as to my having been for two or three pleasant years the colleague and co-operator with my hon. and learned friend. And if there was a class of those subtilissimi doctores